Sex does not increase heart attack risk, study suggests

Sex is rarely the cause of a heart attack, and most heart disease patients are safe to resume sexual activity after a heart attack, according to a new research. Researchers looked at 536 heart disease patients between 30 and 70 years old to evaluate sexual activity in the 12 months before a heart attack and estimate the association of frequency of sexual activity with subsequent cardiovascular events, including fatal heart attack, stroke or cardiovascular death.
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Yoga improves arthritis symptoms, mood, study finds

Yoga can be safe and effective for people with arthritis, a randomized trial of people with two common forms of arthritis has found. The researchers report that eight weeks of yoga classes improved the physical and mental well being of people with two common forms of arthritis, knee osteoarthritis and rheumatoid arthritis.
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High BMI could reduce men's risk of rheumatoid arthritis, but not women's

A high body mass index could reduce the risk of rheumatoid arthritis in men, according to a study. When looking into why a high BMI would reduce the risk of men developing RA in the future, the scientists suggested that a high BMI more often reflects increased abdominal obesity or visceral fat in men compared with women, which could be protective against the development of RA.
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Gene regulating severity of tissue damage caused by rheumatoid arthritis identified

Scientists have identified a new protein (C5orf30) which regulates the severity of tissue damage caused by rheumatoid arthritis, an autoimmune disease that causes inflammation, pain, stiffness and damage to the joints of the feet, hips, knees, and hands. Following the discovery, rheumatoid arthritis patients most likely to suffer the severest effects of the condition can now be identified early and fast-tracked to the more aggressive treatments available.
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