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CT scans may increase risk of brain cancer, study suggests

A new study suggests that CT scans, commonly used in medical imaging, may increase the risk of brain tumors.

Researchers solve mystery of how ALL enters the central nervous system

A deadly feature of acute lymphoblastic leukemia (ALL) is its invasion of the central nervous system. ALL in the central nervous system is very difficult to treat, because most drugs are blocked from the organ system due to a “blood-brain barrier” desi…

Neurons can carry more than one signal at a time

New research shows that neurons in the brain can carry two signals at once, using a strategy similar to multiplexing in telecommunications. The results may explain how the brain processes complex information from the world around us, and may also provi…

The effects of anxiety on the body

Anxiety is a common condition that impacts a person’s mental health, and it can also have short- and long-term effects on the body. Anxiety can change the function of the cardiovascular, urinary, and respiratory systems. It can also lead to digestive i…

Could beef jerky contribute to manic episodes?

Researchers have found that beef jerky and other processed meats may play a role in triggering manic episodes. But why would that happen?

How to cope with a depressive episode

Depressive episodes are periods of low mood and other symptoms of depression. Tackling depression as soon as it arises and making changes to thoughts and behaviors might improve a person’s mood and help them recover more quickly. Here, we cover what …

E-counseling can lower blood pressure, heart disease risk

New research shows that virtual counseling, when added to medical therapy, lowers high blood pressure and heart disease risk in people with hypertension.

Brain iron levels may predict multiple sclerosis disabilities

A new, highly accurate MRI technique can monitor iron levels in the brains of multiple sclerosis (MS) patients and help identify those at a higher risk for developing physical disability, according to a new study.

Childhood adversity increases susceptibility to addiction via immune response

Childhood adversity permanently alters the peripheral and central immune systems, increasing the sensitivity of the body’s immune response to cocaine, reports a new study.

How cannabis affects appetite: Brain changes

New research on how cannabis use alters eating behavior could lead to treatments for appetite loss in chronic illness, according to experts. Using a new procedure to dose lab rats with cannabis vapor, the researchers found how the drug triggers hunger …