WASHINGTON, D.C.—Hypothyroidism is often associated with mood changes like depression lethargy. Researchers, studying underlying brain processes in search of "why" this happens, reported their results ...

Thyroid diseases cause under- or over-activity, enlargement, inflammation, or nodules. Symptoms range from fatigue, weight changes, and mood shifts to palpitations and heat or cold intolerance.

Iodine, a trace mineral remains vital for thyroid health and wellbeing. Subtle fatigue, weight gain, or mood swings often turn out to be symptoms of a mild iodine deficiency, hidden behind fast food, ...

You snap at your partner over something trivial, find yourself crying during a commercial, or feel an overwhelming sense of anxiety seemingly out of nowhere. While it’s easy to blame yourself for ...

While it’s normal for the challenges of daily life to cause occasional changes in your mood, sometimes there may be a more serious underlying cause. “It can be hard to tell what normal fluctuations in ...

Your thyroid, crucial for metabolism, hormones, and mood, is often overlooked until problems arise. Factors like diet, sleep, ...

Aging is a normal process the body goes through, but not all of the symptoms that are frequently attributed to the normal aging process should be directly connected to aging — some may be associated ...

If you're feeling constantly tired, gaining weight without explanation, or struggling with mental clarity, you might be experiencing the early warning signs of hypothyroidism, an expert has warned.

Menopause is a female reproductive milestone that begins in most women between the ages of 45 and 55. It marks the end of the menstrual cycle, and women can no longer conceive, at least not naturally.