Sexual behavior and sex preference in animals and humans are shaped by complex interactions between the brain and hormones ...

Women are turning to biohacking to optimize their well-being by aligning lifestyle choices with their unique hormonal cycles ...

An imbalance in the thyroid gland leads to two possible conditions: an underactive thyroid (hypothyroidism) or an overactive ...

Osteoarthritis (OA), once considered a simple ‘wear-and-tear’ disease, is now understood to be a complex condition, ...

Katherine Heigl told Business Insider how she spends the hours she's not working — including making her kids ramen so she ...

Understanding the risks of cross-sex hormone therapy is important not only for clinicians and patients but also for ...

Medically reviewed by Kelly Wood, MD Hormones play a major role in energy usage and storage, metabolism, growth, and fat distribution. When hormone levels shift, unexpected weight gain may occur.

One woman who has been in a sexless marriage shares her opinion on whether couples can be happy in a marriage without sex.

Prioritize sleep like you prioritize performance. Block out light. Put the phone down. Keep your sleep schedule consistent.

When the scale refuses to budge despite your best efforts at diet and exercise, the answer might lie deeper than calories in ...

Unlike other primates, humans are exposed to high levels of placental sex hormones in the womb, which may have shaped our ...

One company helping lead the charge is 21 Again, a natural supplement brand that’s redefining what midlife looks and feels ...