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Erectile dysfunction

Index Erectile dysfunction

Erectile dysfunction (ED), also known as impotence, is a type of sexual dysfunction characterized by the inability to develop or maintain an erection of the penis during sexual activity. [1]

84 relations: Adulterant, Adverse drug reaction, Aerobic exercise, Ageing, Andrology, Atherosclerosis, Blood pressure, Blood test, Bonk: The Curious Coupling of Science and Sex, Bulbocavernosus reflex, Cardiovascular disease, Coronary artery disease, Corpus cavernosum penis, DDAIP, Diabetes mellitus, Diagnostic and Statistical Manual of Mental Disorders, Doppler ultrasonography, Endothelium, Erection, Exercise, External beam radiotherapy, Food and Drug Administration, Giles Brindley, Groin hernia, Herbal viagra, Hormone, Human brain, Human penis, Human sexual activity, Hypogonadism, John R. Brinkley, Kidney failure, Limbic system, Magnetic resonance imaging, Masturbation, Mental disorder, Multiple sclerosis, Nervous system, Nicotine, Nitric oxide, Nocturnal penile tumescence, Obesity, Over illumination, Papaverine, PDE5 inhibitor, Penile prosthesis, Penis enlargement, Peripheral artery disease, Peripheral neuropathy, Peyronie's disease, ..., Phentolamine, Physical examination, Pituitary gland, Placebo, Priapism, Prolactinoma, Prostaglandin, Prostaglandin E1, Prostate, Prostatectomy, Psychology, Rapid eye movement sleep, Selective serotonin reuptake inhibitor, Self-image, Serge Voronoff, Sexual dysfunction, Sexual intercourse, Sexuality after spinal cord injury, Sildenafil, Smoking, Smoking cessation, Stage fright, Stress (biology), Tadalafil, Testicle, Testosterone, Therapy, Tobacco smoking, Urethra, Urology, Vagina, Vardenafil, Vascular surgery, WebMD. Expand index (34 more) »


An adulterant is a pejorative term for a substance found within other substances such as food, fuels or chemicals even though it is not allowed for legal or other reasons.

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Adverse drug reaction

An adverse drug reaction (ADR) is an injury caused by taking a medication.

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Aerobic exercise

Aerobic exercise (also known as cardio) is physical exercise of low to high intensity that depends primarily on the aerobic energy-generating process.

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Ageing or aging (see spelling differences) is the process of becoming older.

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Andrology (from ἀνήρ, anēr, genitive ἀνδρός, andros, "man"; and -λογία, -logia) is the medical specialty that deals with male health, particularly relating to the problems of the male reproductive system and urological problems that are unique to men.

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Atherosclerosis is a disease in which the inside of an artery narrows due to the build up of plaque.

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Blood pressure

Blood pressure (BP) is the pressure of circulating blood on the walls of blood vessels.

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Blood test

A blood test is a laboratory analysis performed on a blood sample that is usually extracted from a vein in the arm using a hypodermic needle, or via fingerprick.

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Bonk: The Curious Coupling of Science and Sex

Bonk: The Curious Coupling of Science and Sex is a 2008 book by Mary Roach.

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Bulbocavernosus reflex

The bulbocavernosus reflex (BCR), bulbospongiosus reflex (BSR) or "Osinski reflex" is a polysynaptic reflex that is useful in testing for spinal shock and gaining information about the state of spinal cord injuries (SCI).

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Cardiovascular disease

Cardiovascular disease (CVD) is a class of diseases that involve the heart or blood vessels.

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Coronary artery disease

Coronary artery disease (CAD), also known as ischemic heart disease (IHD), refers to a group of diseases which includes stable angina, unstable angina, myocardial infarction, and sudden cardiac death.

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Corpus cavernosum penis

A corpus cavernosum penis (singular) (cavernous body of the penis) is one of a pair of sponge-like regions of erectile tissue, the corpora cavernosa (plural) (cavernous bodies), which contain most of the blood in the penis during an erection.

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DDAIP is a pharmaceutical ingredient added to topical products to increase penetration through the skin.

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Diabetes mellitus

Diabetes mellitus (DM), commonly referred to as diabetes, is a group of metabolic disorders in which there are high blood sugar levels over a prolonged period.

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Diagnostic and Statistical Manual of Mental Disorders

The Diagnostic and Statistical Manual of Mental Disorders (DSM) is published by the American Psychiatric Association (APA) and offers a common language and standard criteria for the classification of mental disorders.

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Doppler ultrasonography

Doppler ultrasonography is medical ultrasonography that employs the Doppler effect to generate imaging of the movement of tissues and body fluids (usually blood), and their relative velocity to the probe.

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Endothelium refers to cells that line the interior surface of blood vessels and lymphatic vessels, forming an interface between circulating blood or lymph in the lumen and the rest of the vessel wall.

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An erection (clinically: penile erection or penile tumescence) is a physiological phenomenon in which the penis becomes firm, engorged, and enlarged.

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Exercise is any bodily activity that enhances or maintains physical fitness and overall health and wellness.

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External beam radiotherapy

External beam radiotherapy (EBRT) or teletherapy is the most common form of radiotherapy (radiation therapy).

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Food and Drug Administration

The Food and Drug Administration (FDA or USFDA) is a federal agency of the United States Department of Health and Human Services, one of the United States federal executive departments.

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Giles Brindley

Giles Skey Brindley, MD FRS (born April 30, 1926), is a British physiologist, musicologist and composer, known for his contributions to the physiology of the retina and colour vision, treatment of erectile dysfunction, and is perhaps best known for an unusual scientific presentation at the 1983 Las Vegas meeting of the American Urological Association, where he removed his pants to show the audience his chemically induced erection and invited them to inspect it closely.

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Groin hernia

A groin hernia may refer to.

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Herbal viagra

Herbal viagra is a name that can be given to any herbal product advertised as treating erectile dysfunction.

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A hormone (from the Greek participle “ὁρμῶ”, "to set in motion, urge on") is any member of a class of signaling molecules produced by glands in multicellular organisms that are transported by the circulatory system to target distant organs to regulate physiology and behaviour.

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Human brain

The human brain is the central organ of the human nervous system, and with the spinal cord makes up the central nervous system.

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Human penis

The human penis is an external male intromittent organ that additionally serves as the urinal duct.

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Human sexual activity

Human sexual activity, human sexual practice or human sexual behaviour is the manner in which humans experience and express their sexuality.

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Hypogonadism means diminished functional activity of the gonads—the testes or the ovaries —that may result in diminished sex hormone biosynthesis.

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John R. Brinkley

John Romulus Brinkley (later John Richard Brinkley; July 8, 1885 – May 26, 1942) was an American who fraudulently claimed to be a medical doctor (he had no legitimate medical education and bought his medical degree from a "diploma mill") who became known as the "goat-gland doctor" after he achieved national fame, international notoriety and great wealth through the xenotransplantation of goat testicles into humans.

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Kidney failure

Kidney failure, also known as end-stage kidney disease, is a medical condition in which the kidneys no longer work.

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Limbic system

The limbic system is a set of brain structures located on both sides of the thalamus, immediately beneath the cerebrum.

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Magnetic resonance imaging

Magnetic resonance imaging (MRI) is a medical imaging technique used in radiology to form pictures of the anatomy and the physiological processes of the body in both health and disease.

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Masturbation is the sexual stimulation of one's own genitals for sexual arousal or other sexual pleasure, usually to the point of orgasm.

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Mental disorder

A mental disorder, also called a mental illness or psychiatric disorder, is a behavioral or mental pattern that causes significant distress or impairment of personal functioning.

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Multiple sclerosis

Multiple sclerosis (MS) is a demyelinating disease in which the insulating covers of nerve cells in the brain and spinal cord are damaged.

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Nervous system

The nervous system is the part of an animal that coordinates its actions by transmitting signals to and from different parts of its body.

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Nicotine is a potent parasympathomimetic stimulant and an alkaloid found in the nightshade family of plants.

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Nitric oxide

Nitric oxide (nitrogen oxide or nitrogen monoxide) is a colorless gas with the formula NO.

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Nocturnal penile tumescence

Nocturnal penile tumescence (abbreviated as NPT) is a spontaneous erection of the penis during sleep or when waking up.

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Obesity is a medical condition in which excess body fat has accumulated to the extent that it may have a negative effect on health.

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Over illumination

Over illumination is the presence of lighting intensity higher than that which is appropriate for a specific activity.

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Papaverine (Latin papaver, "poppy") is an opium alkaloid antispasmodic drug, used primarily in the treatment of visceral spasm and vasospasm (especially those involving the intestines, heart, or brain), and occasionally in the treatment of erectile dysfunction.

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PDE5 inhibitor

A phosphodiesterase type 5 inhibitor (PDE5 inhibitor) is a drug used to block the degradative action of cGMP-specific phosphodiesterase type 5 (PDE5) on cyclic GMP in the smooth muscle cells lining the blood vessels supplying the corpus cavernosum of the penis.

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Penile prosthesis

A penile prosthesis, or penile implant, is a medical device which is surgically implanted within the corpora cavernosa of the penis during a surgical procedure.

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Penis enlargement

Penis enlargement, or male enhancement, is any technique aimed to increase the size of a human penis.

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Peripheral artery disease

Peripheral artery disease (PAD) is a narrowing of the arteries other than those that supply the heart or the brain.

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Peripheral neuropathy

Peripheral neuropathy (PN) is damage to or disease affecting nerves, which may impair sensation, movement, gland or organ function, or other aspects of health, depending on the type of nerve affected.

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Peyronie's disease

Peyronie's disease is a connective tissue disorder involving the growth of fibrous plaques in the soft tissue of the penis.

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Phentolamine (Regitine) is a reversible nonselective α-adrenergic antagonist.

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Physical examination

A physical examination, medical examination, or clinical examination (more popularly known as a check-up) is the process by which a medical professional investigates the body of a patient for signs of disease.

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Pituitary gland

An explanation of the development of the pituitary gland (Hypophysis cerebri) & the congenital anomalies. In vertebrate anatomy, the pituitary gland, or hypophysis, is an endocrine gland about the size of a pea and weighing in humans.

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A placebo is a substance or treatment of no intended therapeutic value.

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Priapism is a condition in which a penis remains erect for hours in the absence of stimulation or after stimulation has ended.

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A prolactinoma is a benign tumor (adenoma) of the pituitary gland that produces a hormone called prolactin.

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The prostaglandins (PG) are a group of physiologically active lipid compounds having diverse hormone-like effects in animals.

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Prostaglandin E1

Prostaglandin E1 (PGE1), also known as alprostadil, is a naturally occurring prostaglandin which is used as a medication.

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The prostate (from Ancient Greek προστάτης, prostates, literally "one who stands before", "protector", "guardian") is a compound tubuloalveolar exocrine gland of the male reproductive system in most mammals.

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Prostatectomy (from the Greek prostates, "prostate", combined with the suffix -ektomē, "excision") as a medical term refers to the surgical removal of all or part of the prostate gland.

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Psychology is the science of behavior and mind, including conscious and unconscious phenomena, as well as feeling and thought.

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Rapid eye movement sleep

Rapid eye movement sleep (REM sleep, REMS) is a unique phase of sleep in mammals and birds, distinguishable by random/rapid movement of the eyes, accompanied with low muscle tone throughout the body, and the propensity of the sleeper to dream vividly.

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Selective serotonin reuptake inhibitor

Selective serotonin reuptake inhibitors (SSRIs) are a class of drugs that are typically used as antidepressants in the treatment of major depressive disorder and anxiety disorders.

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Self-image is the mental picture, generally of a kind that is quite resistant to change, that depicts not only details that are potentially available to objective investigation by others (height, weight, hair color, etc.), but also items that have been learned by that person about themself, either from personal experiences or by internalizing the judgments of others.

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Serge Voronoff

Serge Abrahamovitch Voronoff (Серге́й Абрамович Воронов; c. July 10, 1866 – September 3, 1951) was a French surgeon of Russian extraction who gained fame for his technique of grafting monkey testicle tissue on to the testicles of men for purportedly therapeutic purposes while working in France in the 1920s and 1930s.

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Sexual dysfunction

Sexual dysfunction (or sexual malfunction or sexual disorder) is difficulty experienced by an individual or a couple during any stage of a normal sexual activity, including physical pleasure, desire, preference, arousal or orgasm.

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Sexual intercourse

Sexual intercourse (or coitus or copulation) is principally the insertion and thrusting of the penis, usually when erect, into the vagina for sexual pleasure, reproduction, or both.

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Sexuality after spinal cord injury

Although spinal cord injury (SCI) often causes sexual dysfunction, many people with SCI are able to have satisfying sex lives.

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Sildenafil, sold as the brand name Viagra among others, is a medication used to treat erectile dysfunction and pulmonary arterial hypertension.

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Smoking is a practice in which a substance is burned and the resulting smoke breathed in to be tasted and absorbed into the bloodstream.

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Smoking cessation

Smoking cessation (also known as quitting smoking or simply quitting) is the process of discontinuing tobacco smoking.

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Stage fright

Stage fright or performance anxiety is the anxiety, fear, or persistent phobia which may be aroused in an individual by the requirement to perform in front of an audience, whether actually or potentially (for example, when performing before a camera).

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Stress (biology)

Physiological or biological stress is an organism's response to a stressor such as an environmental condition.

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Tadalafil (INN) is a PDE5 inhibitor marketed in pill form for treating erectile dysfunction (ED) under the name Cialis, and under the name Adcirca for the treatment of pulmonary arterial hypertension.

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The testicle or testis is the male reproductive gland in all animals, including humans.

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Testosterone is the primary male sex hormone and an anabolic steroid.

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Therapy (often abbreviated tx, Tx, or Tx) is the attempted remediation of a health problem, usually following a diagnosis.

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Tobacco smoking

Tobacco smoking is the practice of smoking tobacco and inhaling tobacco smoke (consisting of particle and gaseous phases).

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In anatomy, the urethra (from Greek οὐρήθρα – ourḗthrā) is a tube that connects the urinary bladder to the urinary meatus for the removal of urine from the body.

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Urology (from Greek οὖρον ouron "urine" and -λογία -logia "study of"), also known as genitourinary surgery, is the branch of medicine that focuses on surgical and medical diseases of the male and female urinary-tract system and the male reproductive organs.

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In mammals, the vagina is the elastic, muscular part of the female genital tract.

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Vardenafil (INN) is a PDE5 inhibitor used for treating erectile dysfunction that is sold under the trade names Levitra (Bayer AG, GSK, and SP), Staxyn in India, and Vivanza in Italy.

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Vascular surgery

Vascular surgery is a surgical subspecialty in which diseases of the vascular system, or arteries, veins and lymphatic circulation, are managed by medical therapy, minimally-invasive catheter procedures, and surgical reconstruction.

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WebMD is an American corporation known primarily as an online publisher of news and information pertaining to human health and well-being.

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[1] https://en.wikipedia.org/wiki/Erectile_dysfunction

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