Health

Study finds new measure for stress in overtrained athletes

With many recreational triathletes and runners ramping up their training in hopes of getting a personal best this summer, a new measure of stress in the body demonstrates that more isn't better when it comes to endurance ...

Neuroscience

Increased nerve activity may raise blood pressure in anxiety

Sympathetic nerve activity to skeletal muscle blood vessels—a function of the nervous system that helps regulate blood pressure—increases during physiological and mental stress in people with chronic anxiety, a new study ...

Diseases, Conditions, Syndromes

Stress may switch on bone 'mets'

Stress stimulates the formation of blood vessels in bone and may help breast cancer cells to invade this organ.

Psychology & Psychiatry

Veterans with PTSD have an increased 'fight or flight' response

Young veterans with combat-related post-traumatic stress disorder (PTSD) have an increased 'fight or flight' response during mental stress, according to new findings published this week in the Journal of Physiology.

Cardiology

Beetroot juice may provide benefits to heart disease patients

A new study finds that dietary nitrate—a compound that dilates blood vessels to decrease blood pressure—may reduce overstimulation of the sympathetic nervous system that occurs with heart disease. The research team looked ...

Neuroscience

Special nerve cells cause goose bumps and nipple erection

The sympathetic nerve system has long been thought to respond the same regardless of the physical or emotional stimulus triggering it. However, in a new study from Karolinska Institutet published in the Nature Neuroscience, ...

Cardiology

Sounding out high blood pressure in diabetics

Blood pressure can significantly drop by applying 20 minutes of ultrasound to the forearm of type II diabetes patients with treatment-resistant hypertension, according to research from Japan's Tohoku University.

Diseases, Conditions, Syndromes

Potential option for treating chronic kidney disease

People with chronic kidney disease often have an overactivation of the sympathetic nervous system, which contributes to increased risk for cardiovascular events such as heart attack and stroke.

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