“If you are not a headache person and this is the worst headache of your life, this could be a sign of an aneurysm or bleed, ...

Many of us feel sluggish or less social when it’s colder. But seasonal affective disorder is more than just a slump.

Not everyone who tends toward drama and attention-seeking has a personality disorder but when taken to the extreme, sometimes these behaviors are signs of histrionic personality disorder.

If you think depression always looks like Eeyore, think again. Men's presentations of depression, including ways they may seek excitement, will seem counterintuitive.

Symptoms of depression can vary from sadness to fatigue. Here are nine warning signs to look for if you think you might be depressed.

How can reflection replace rumination? When you put your thoughts on the examination table with a good friend, therapist or ...

A ‘cannabis use disorder’ can make it difficult to control how often or how much cannabis you use. Here are some of the symptoms.

People with abandonment issues will usually interpret little, normal shifts—a partner wanting a “guys night,” your favorite ...

Fragile X disorders include two distinct conditions: fragile X syndrome (the most common single-gene cause of developmental delay and autism) and an entirely separate group of premutation syndromes.

Alzheimer’s disease is a type of dementia, and there are more than 7 million Americans living with it. According to the ...