#hormones

Low levels of choline and high levels of the stress hormone cortisol were found in African-American moms who gave birth early.

As a result, researchers want to learn more about how oral contraceptives affect brain structure and function.

The natural hormone could also help those at high risk for muscle loss in maintaining eligibility to receive standard cancer therapies.

Extremely vigorous workouts trigger more of this pleasure-boosting chemical but also amplify negative feelings and pain.

Generating the willpower to become physically active may be related to the amount of dopamine your body produces.

A study on people treated for underactive thyroid shows that nearly one in six continue to experience depression, fatigue and weight gain.

Several recent studies have linked hyperthyroidism with a higher risk of breast cancer. Will this lead more women to seek treatment?

A wide range of products—from canned foods to cleansers—may be contributing to a higher risk of metabolic illnesses.

Can too little thyroid hormone trigger abnormal blood sugar levels?

A hormone notoriously used by athletes such as Lance Armstrong as a performance-enhancing drug may hold promise for treating mental illness.

Songbird Jax was recently diagnosed with Hashimoto’s disease after doctors found 18 tumors growing on her thyroid.

Evista is prescribed for osteoporosis and to reduce the risk of breast cancer but may also help with symptoms of the mental illness.

When does monthly period pain require that we pay serious attention?

The culprit? Chemicals called phthalates, commonly used to make plastic more flexible, which could be seeping into foods.

Ever had a guy tell you about the “man flu” when he’s sick in bed?