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Erectile Dysfunction and ED

Erectile dysfunction is sexual dysfunction characterized by the inability to develop or maintain an erection of the penis during sexual performance. A penile erection is the hydraulic effect of blood entering and being retained in sponge-like bodies within the penis. The process is often initiated as a result of sexual arousal, when signals are transmitted from the brain to nerves in the penis. Erectile dysfunction is indicated when an erection is difficult to produce. There are various circulatory causes, including alteration of the voltage-gated potassium channel, as in arsenic poisoning from drinking water. The most important organic causes are cardiovascular disease and diabetes, neurological problems (for example, trauma from prostatectomy surgery), hormonal insufficiencies (hypogonadism) and drug side effects.

Psychological impotence is where erection or penetration fails due to thoughts or feelings (psychological reasons) rather than physical impossibility; this is somewhat less frequent but often can be helped. Notably in psychological impotence, there is a strong response to placebo treatment. Erectile dysfunction, tied closely as it is about ideas of physical well being, can have severe psychological consequences. Besides treating the underlying causes such as potassium deficiency or arsenic contamination of drinking water, the first line treatment of erectile dysfunction consists of a trial of PDE5 inhibitor drugs (the first of which was sildenafil or Viagra). In some cases, treatment can involve prostaglandin tablets in the urethra, injections into the penis, a penile prosthesis, a penis pump or vascular reconstructive surgery. The Latin term impotentia coeundi describes simple inability to insert the penis into the vagina. It is now mostly replaced by more precise terms. The study of erectile dysfunction within medicine is covered by andrology, a sub-field within urology.

Erectile Dysfunction Pathophysiology

Penile erection is managed by two different mechanisms. The first one is the reflex erection, which is achieved by directly touching the penile shaft. The second is the psychogenic erection, which is achieved by erotic or emotional stimuli. The former uses the peripheral nerves and the lower parts of the spinal cord, whereas the latter uses the limbic system of the brain. In both conditions, an intact neural system is required for a successful and complete erection. Stimulation of penile shaft by the nervous system leads to the secretion of nitric oxide (NO), which causes the relaxation of smooth muscles of corpora cavernosa (the main erectile tissue of penis), and subsequently penile erection. Additionally, adequate levels of testosterone (produced by the testes) and an intact pituitary gland are required for the development of a healthy erectile system. As can be understood from the mechanisms of a normal erection, impotence may develop due to hormonal deficiency, disorders of the neural system, lack of adequate penile blood supply or psychological problems. Restriction of blood flow can arise from impaired endothelial function due to the usual causes associated with coronary artery disease, but can also be caused by prolonged exposure to bright light.

Female Sexuality

Human female sexuality encompasses a broad range of behaviors and processes, including female sexual identity and sexual behavior, the physiological, psychological, social, cultural, political, and spiritual or religious aspects of sex. Various aspects and dimensions of female sexuality, as a part of human sexuality, have also been addressed by principles of ethics, morality, and theology. In almost any historical era and culture, the arts, including literary and visual arts, as well as popular culture, present a substantial portion of a given society's views on human sexuality, which also include implicitly or explicitly female sexuality.

In most societies and legal jurisdictions, there are legal bounds on what sexual behavior is permitted. Sexuality varies across the cultures and regions of the world, and has continually changed throughout history, and this applies equally to female sexuality. Aspects of female sexuality include issues pertaining to biological sex, body image, self-esteem, personality, sexual orientation, values and attitudes, gender roles, relationships, activity options, and communication.

Hormone Therapy

Hormone therapy (HT) uses one or more female hormones, commonly estrogen and progestin and sometimes testosterone, to treat symptoms of menopause.

Symptoms of menopause include hot flashes, vaginal dryness, mood swings, sleep disorders, and decreased sexual desire. Hormone therapy comes as a pill, patch, injection, vaginal cream, tablet, or ring.
Information

Hormone therapy may help relieve some of the bothersome symptoms of menopause, such as hot flashes, vaginal dryness and pain with intercourse. The hormone estrogen protects against thinning of the bones ( osteoporosis).

However, taking hormones may also increase your risk for:

Blood clots
Breast cancer
Heart disease
Stroke

You and your doctor should decide whether hormone therapy is right for you. The key is to weigh the risks of taking hormone therapy against the benefits that you might have from taking these hormones. Every woman is different. Your doctor should be aware of your entire medical history before prescribing hormone therapy.

At this time, short-term use (up to 5 years) of hormone therapy at the lowest possible dose to treat the symptoms of menopause still appears to be safe for many women.

BENEFITS OF HORMONE THERAPY

Perhaps the largest benefit women receive from hormone therapy is relief from:

Hot flashes
Night sweats
Sleep difficulties
Vaginal dryness
Anxiety

Usually, hot flashes and night sweats are less severe after a couple of years, especially if hormone therapy is slowly reduced.

 

Auditions for movies

Auditions for movies are how actors actually get acting jobs in film. Auditions are held by producers and casting directors. They choose whom to cast after an audition has been held. Always bring a headshot and resume to an audition. Auditions for movies will have certain protocol throughout the casting process that every actor should be aware of. When performing a movie audition it is okay to ask where to look once you begin, especially if there is no camera in the room. To find out more information on how to audition for movies go to audition/movies. Auditions for movies is the process of trying out for a role in a performance, as in a demonstration of acting ability.

An acting audition is used in the casting process to demonstrate the level and range of a performer's talent, and functions as well as finding the right actor for the work written. For actors, the audition piece is typically not from the show being considered. Some auditions involve cold reading, or performing a script that the actor is not familiar with. An actor may be called back multiple times during an acting audition for a certain role. Any actor knows that in order to build a career and to start landing paying jobs, you have to audition. Visit auditions to find out everything you need to know about auditioning.

How does an erection occur?

Two chambers called the corpora cavernosa run the length of the penis (see Figure 1). A spongy tissue fills the chambers. The corpora cavernosa are surrounded by a membrane, called the tunica albuginea. The spongy tissue contains smooth muscles, fibrous tissues, spaces, veins, and arteries. The urethra, which is the channel for urine and ejaculate, runs along the underside of the corpora cavernosa and is surrounded by the corpus spongiosum.

An erection begins with sensory or mental stimulation, or both. Impulses from the brain and local nerves cause the muscles of the corpora cavernosa to relax, allowing blood to flow in through the arteries and fill the spaces. The blood creates pressure in the corpora cavernosa, making the penis expand. The tunica albuginea helps trap the blood in the corpora cavernosa, thereby sustaining the erection. The erection ends when muscles in the penis contract to stop the inflow of blood and open the veins for blood outflow.

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Arteries (top) and veins (bottom) penetrate the corpora cavernosa and the corpus spongiosum. An erection occurs when relaxed muscles allow the corpora cavernosa to fill with excess blood fed by the arteries, while drainage of blood through the veins is blocked by the tunica albuginea.