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Why forgiveness is the best medicine, and other health news

Our round-up of health news headlines on Thursday 11 August.

Letting bygones be bygones may be good for your conscience, but it is also better for your health, according to a new study.

The research from Concordia University in Montreal, reported in the Express, showed that when bitterness was harboured for a long time it could lead to 'biological dysregulation', affecting metabolism, immune response, organ function, leading to physical disease.

The Guardian and The Independent all report on a multiple sclerosis study which has found 29 new gene variants that implicated in the disease. The study, the largest ever into the disease, discovered more than double the list of parts of the human genome that researchers believe contributed to MS.

Pulse has made headlines in the Daily Telegraph and the Daily Mail with its exclusive on nurses blocking patients referred to hospital by their GPs.

The number of NHS patients waiting for more than three months for medical tests has increased nine fold in the past year according to The Independent. Government figures released yesterday show that in June, 1,763 people had been waiting for at least 13 weeks for one of 15 diagnostic tests, including MRI and heart scans, ultrasound and colonoscopies, compared with only 190 in June 2010.

The Daily Mail states that female smokers are at greater risk of heart disease than men. The risk of developing coronary heart disease is 25% higher for women, despite them smoking fewer cigarettes than men, according to research published by the Lancet.