Stress can make people feel tired and depressed, but why? The body responds to emotional stress with inflammation just like it would with a physical injury.

When the temperature climbs into the triple digits outside, death rates can climb as well. Extreme heat waves can be especially dangerous for those with mental disorders.

Methadone can be prescribed safely for cancer-level pain and heroin addiction. When abused, it’s responsible for more prescription painkiller overdose deaths than any other opioid .

Mild cognitive impairment (MCI) can progress into other forms of dementia, like Alzheimer’s disease. Science is trying to find ways to predict when MCI will get worse.

A child, like an adult, does not need to experience violence to be affected by it. Just witnessing violent events can affect a child's mental health - and possibly physical health, too.

Among the treatments for dependence on opioids such as heroin or hydrocodone are methadone maintenance treatments, which block a person's cravings and relieve withdrawal symptoms.

Research is looking for ways to understand which children are at risk for autism spectrum disorders ( ASD ), because knowing the risk factors can help with early detection.

Some Facebook users can get a jolt of self esteem after interacting on the site. When a person edits their profile, they can touch up how they see themselves.

Children with autism may have difficulty learning language. As autism is detected in ever younger children, interventions may help to improve language learning.

Borderline personality disorder (BPD) features can interfere with relationships and work. Those same features may also affect general health.