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What are
Hormones?
Hormones
are powerful chemical messengers that circulate through your
bloodstream to specific target cells, where they generate a wide range
of biological responses. You might think of hormones as the "prime
movers" of your physical and emotional well being.
Every time
you get angry, become tired, laugh, cry, have sex, wake up, feel
hungry, or fall asleep your body is responding to hormones. That's
because hormone levels can impact virtually every major system and
organ in your body.
HOW DO HORMONES AFFECT MY WELL BEING?
There are several major hormones that have particularly powerful
effects on your well being, and each one plays a unique physiological
role in the body.
SEX HORMONES...
Testosterone is the most critical hormone involved in sex drive - in
both men and women. Testosterone also supports bones and muscle, as
well as the cardiovascular system.
Estrogen (estradiol)
modulates the course of both the menstrual cycle and menopause, and
proper levels support well being during menstruation. Estrogen
imbalance can trigger or worsen symptoms of premenstrual syndrome
(PMS). In addition, monitoring estrogen replacement therapy is crucial
to ensuring proper estrogen levels. Progesterone, along with estrogen,
plays a major role in shaping a normal menstrual cycle and imbalances
have been linked to PMS. Adequate, but not excessive, levels of
progesterone are also crucial for women during menopause, especially
for those undergoing hormone replacement therapy.
STRESS HORMONES....
Cortisol is a powerful steroid released to "activate" your body in
times of stress. You need cortisol to "pump you up"' to meet all the
daily challenges of life. Without it you'd have no motivation to even
get out of bed in the morning! Proper levels of cortisol help to
ensure that your body is effectively coping with stress, keeping you
feeling fit and in control.
DHEA is
the most abundant hormone in your bloodstream. Although the complete
scope of its function is not yet fully determined, DHEA seems to
balance the effects of cortisol, by improving the body's ability to
cope with stress. While cortisol primes your body, giving it the
energy you need to respond to stress, DHEA protects your body from the
"wear and tear" of stress. DHEA also provides the source material for
the production of important sex hormones. DHEA levels should be
closely monitored when supplementing, however, to prevent potentially
harmful imbalances.
DO HORMONE LEVELS CHANGE?
As you grow older, hormone levels can drop by as much as 80%-90% from
their youthful peaks. In women, hormones such as estrogen,
progesterone, and testosterone fall most rapidly during and after
menopause. In both men and women, however, cortisol levels have a
tendency to rise with age, affecting our body's reaction to stress.
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