Headache and hormones
Around half of women who experience migraine find that attacks tend to happen just before their menstrual period. The exact link between headache and hormones is unclear, but evidence suggests that low levels of the sex hormone oestrogen could ... [... more]
Better Health |
Hormones drive women to success
Researchers say the hormone oestrogen fuels feelings of power and competition in women, the same way testosterone does in men. In a related study, conducted earlier this month, British researchers reported that male financial traders made more ... [... more]
NineMSN Health |
Androgen deficiency
Androgen deficiency in men means the body has lower than normal amounts of male hormones - most importantly, testosterone. This deficiency may be caused by problems in the signals that the testes receive from the pituitary gland in the brain or ... [... more]
Better Health |
Hormonal (endocrine) system
Endocrine glands make chemicals called hormones and pass them straight into the bloodstream. (Glands that pass their secretions down tubes or ducts to particular places are called 'exocrine glands'.) Hormones can be thought of as chemical ... [... more]
Better Health |
Menstruation - amenorrhoea
Amenorrhoea means absence of the menstrual period. The most common cause is hormonal disruption. The hormones can be disrupted by emotional stress, weight loss, excessive exercise and some diseases of the reproductive system. Amenorrhoea means ... [... more]
Better Health |
Thyroid conditions - Hashimoto's disease
Hashimoto's disease is a common cause of hypothyroidism (underactive thyroid). It is an autoimmune condition. Immune system cells attack the thyroid gland, causing inflammation. This reduces the thyroid's ability to make hormones. The condition ... [... more]
Better Health |
Thyroid disorders - hypothyroidism
The thyroid gland secretes hormones to regulate metabolic processes, including growth and energy expenditure. Hypothyroidism means the thyroid gland is underactive and fails to make enough hormones. The treatment is lifelong hormone replacement ... [... more]
Better Health |
Hormones - cortisone
Cortisol is a hormone made by the adrenal glands. Some disorders such as arthritis and asthma can be treated with synthesised cortisol, called cortisone or corticosteroids. A common side effect of such treatment is osteoporosis. Cortisol is a ... [... more]
Better Health |
Obesity and hormones
The hormones leptin, oestrogen and growth hormone influence appetite, metabolism and body fat distribution. Obese people have levels of these hormones that encourage the accumulation of body fat. The endocrine system is made up of glands that ... [... more]
Better Health |
Changes for both girls and boys
Puberty is the time of change when young people begin to develop the outward signs of becoming an adult and when they become able to reproduce (have a baby). Puberty starts when hormones from part of the brain (pituitary gland) act on the ovaries ... [... more]
Child & Youth Health |
Hormonal contraception
Whilst the most common form of contraception is the condom, coming in a close second are those methods that rely on hormones to alter the woman's reproductive system to prevent pregnancy. These methods include the Pill, the mini-Pill, and ... [... more]
NineMSN Health |
Mirena: Intra Uterine System (IUS)
Mirena is a new type of IUD (intrauterine device). Fitted inside the uterus, it remains in place until removed, releasing a progesterone hormone into the uterus. Unlike other forms of hormonal contraception which have the hormones acting through ... [... more]
NineMSN Health |