Hypothalamus Pituitary Gland

What Are the Causes of Low Testosterone in Younger Men?

When the testicles do not produce enough of the male hormone testosterone, the condition is called testosterone deficiency or male hypogonadism. Primary hypogonadism results from a testicular disorder, while secondary hypogonadism involves a...

Adrenal Gland Functions

Also called the suprarenal glands, the adrenal glands are important parts of the endocrine system. They produce a variety of hormones that play key roles in the stress response, metabolism and the balance of salt and water in the body. It is also...

4 Parts of the Brain Not Protected by the Blood Brain Barrier

The blood-brain barrier prevents toxic substances, large molecules, and neurotransmitters released in the blood from entering the brain. Four areas of the brain are not protected by the blood-brain barrier. These areas include the posterior...

What Are the Causes of Overactive Adrenal Glands?

The adrenal gland is part of a complex network of organs that form the endocrine system. Like the nervous system, the endocrine system regulates communication between the various organs of the body. Unlike the nervous system, the endocrine...

Low Progesterone Levels After Ovulation & Feeling Shaky

The hormone progesterone is vital to a healthy ovulation cycle, making it possible for a woman to conceive and maintain a pregnancy. Progesterone levels increase just before ovulation and continue to rise until the beginning of your menstrual...

What are the Types of Diabetes Insipidus?

Diabetes insipidus is a disorder in which a person experiences increased production of urine that is much more diluted than normal, according to the Diabetes Insipidus Foundation, a non-profit foundation devoted to the treatment and prevention of...

Why Men Drop Testosterone Levels

Some of the changes your body experiences with aging occur due to a reduction in specific hormone levels. According to the Mayo Clinic, testosterone declines by about one percent a year after age 30. There can be other reasons why testosterone...

Diabetes Insipidus in Toddlers

Diabetes insipidus can strike people of all ages. In toddlers, it can occur when the body doesn't properly produce, store or release the antidiuretic hormone, or ADH. It can also occur when the kidneys fail to respond properly to ADH. If you...

Characteristics of Cortisol & ACTH

Cortisol and corticotropin, or ACTH, are hormones that are produced in different parts of the body. The adrenal glands secrete cortisol while the pituitary gland is responsible for ACTH production. However, production of cortisol depends on the...

What Are the Causes of High Adrenal Levels?

The adrenal glands are located in the trunk of the body just above each kidney. As part of the endocrine system, these glands produce hormones that are vital for coordinating the proper balance of activity between the body's other organ systems....

Effects of Prednisolone Steroids

Prednisolone is a steroid medication classified as a corticosteroid. Corticosteroids are similar to steroids produced naturally in the body by the adrenal gland. Doctors prescribe corticosteroids to treat a variety of conditions, such as...

Yoga & the Endocrine System

Yoga benefits the endocrine system. People suffering from stress and tension because of medical conditions or the circumstances of life can find relief with regular practice. The many styles of yoga accommodate fitness enthusiasts of all levels....

Thyroid Problems & Weight Loss

The thyroid gland is a butterfly-shaped gland located in the front of the neck. The thyroid gland produces two hormones, triiodothyronine, or T3, and thyroxine, or T4, that help control metabolism, breathing, heart function, nervous system...

What Are the Causes of High Sodium Levels?

Numerous factors can cause hypernatremia, or high sodium levels in the blood. According to the Penn State Milton S. Hershey College of Medicine, hypernatremia is a greater than normal concentration of sodium in a person's blood. An electrolyte,...

Where Is Testosterone Produced in Humans?

Testosterone is a hormone that is naturally produced in the human body. Though the chemical is similar for men and women, the levels of testosterone vary between the two. On average, men produce 6 to 8 mg of the hormone daily. Women make about 12...

Testosterone & Creatine

Testosterone is the primary androgen or male sex hormone; according to a 2001 "Endocrinology: An Integrated Approach" article, 95 percent of circulating testosterone is produced by the testes. Testosterone is also found in females but in much...

Adrenal Diseases

The hypothalamus and the pituitary gland regulate the amount of cortisol and aldosterone the adrenal glands produce. If the cycle is broken in any area, the adrenals produce too much or too little cortisol and aldosterone. Cortisol, an important...

Adrenal Glands in Men

Placed at the top section of the kidneys, the adrenal glands are primarily responsible for producing hormones the body needs to perform certain functions, according to MedlinePlus, a service of the National Institutes of Health. Adrenal glands...

Causes of Hypogonadism

Doctors classify hypogonadism as either primary or secondary. Both classes of hypogonadism involve inadequate production of hormones by the sex glands--the ovaries in women and the testes in men. In primary hypogonadism, improper functioning of...

4 Ways to Boost Fertility

Research shows that herbs like black cohosh, evening primrose oil and red raspberry leaves may boost fertility. Some health stores sell a fertility blend, which combines different herbs into one mix. The benefit of the herbs remains the same...

5 Ways to Start Fertility Treatments

Consult your doctor before you decide on a fertility treatment. Some people just require a healthier lifestyle to become pregnant. They need to lose weight, stop smoking or drinking or reduce stress to lessen the effects of another medical...

Testosterone Effects on Men

Testosterone is an androgen, or male hormone, produced by the Leydig cells in the testes. It's made by chemically modifying cholesterol, and has a number of effects on the male body, both anatomical and physiological. While testosterone is...

Diseases of the Adrenal Glands

The adrenal glands are small, endocrine organs located just above each kidney. They are partially controlled by the hypothalamus and the pituitary gland in the brain. These organs produce several hormones and play a critical role in the body's...

The Human Brain & How it Works

The human brain is a fascinating and complex organ, capable of not only running your body's essential systems, but also producing intricate memories and the ability to engage in abstract thought. The human brain has a gelatinous consistency, and...

High Testosterone in Children

Children with elevated testosterone levels may be afflicted with a deadly disease. There are many reasons that a child might have high testosterone levels, and finding the reason for the hormone rise is the first step to treatment. Recognizing...

Natural Vitamins to Increase Testosterone

Testosterone is a vital sex hormone that plays an important role in the development of secondary sexual characteristics of boys as they turn to men in during puberty. Testosterone is produced in the testicles and regulated by the hypothalamus and...

Low Cortisol & Weight Loss

Cortisol is a hormone produced by the adrenal cortex and regulated by the brain's hypothalamus and pituitary gland. It affects almost every organ and tissue in the body and helps your body respond to stress or enact the "fight or flight" response....

Adrenal Gland Facts

Everyone has two adrenal glands, also called suprarenal glands, one located on top of each of the kidneys. Adrenal glands produce essential hormones which are necessary for controlling the body's metabolism, immune system, response to stress and...

Amenorrhea Health Video (Video)

Amenorrhea is the absence of menstruation and can happen during puberty or later in life. Amenorrhea generally does not result from a serious condition. However, not knowing why menstruation has stopped can be stressful. Learn about the symptoms...