Immunology

Dietary fiber reduces brain inflammation during aging

As mammals age, immune cells in the brain known as microglia become chronically inflamed. In this state, they produce chemicals known to impair cognitive and motor function. That's one explanation for why memory fades and ...

Neuroscience

In just six months, exercise may help those with thinking problems

Getting the heart pumping with aerobic exercise, like walking or cycling for 35 minutes three times a week, may improve thinking skills in older adults with cognitive impairments, according to a study published in the December ...

Diabetes

Diabetes drug impacts gut microbiome

Acarbose, a drug commonly used to treat type II diabetes, can change the gut microbiome in a reversible and diet-dependent manner, according to new research published in the journal mSphere. The findings highlight the importance ...

Genetics

Viruses in the human gut show dynamic response to diet

The digestive system is home to a myriad of viruses, but how they are involved in health and disease is poorly understood. In a study published online today in Genome Research, researchers have investigated the dynamics of ...

Health

A high-fiber diet may reduce risk of dementia

We're always hearing that we should eat more fiber. It's known to be vitally important for a healthy digestive system and also has cardiovascular benefits like reduced cholesterol. Now, evidence is emerging that fiber is ...

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