The World Health Organization (WHO) on Monday warned of a multi-drug resistant tuberculosis or MDR-TB. It said that a majority of the world's population are vulnerable to the new strain.

The Manila, Philippines-based WHO told reporters that MDR-TB can cross borders and that an "uncontrolled local epidemic" can threaten the stability of health security across the globe

Most Canadian citizens are likely to survive the often fatal disease of cancer because of the country's accessible and reliable health care system, according to a Concord study.

The study, which will appear in the August issue of The Lancet Oncology, revealed that Canada ranked second in patient survival for breast cancer, third for prostate cancer in men and for colorectal cancer in women, and sixth for colorectal cancer in men

A human trial of a large-scale experimental AIDS vaccine has been cancelled following advice by a top scientist that it was unlikely to give useful results, the National Institutes of Health (NIH) said Thursday.

The vaccine trial, similar to a failed Merck and Co. product, was developed by the Vaccine Research Center at the National Institute of Allergy and Infectious Disease. In a study called PAVE 100, the agency planned to include 2,400 men in the United States

A combination of two drugs, Enbrel and methotrexate, when given to patients in the early stages of rheumatoid arthritis has shown to halt progression of joint damage, a new study has found.

Researchers from the University of Leeds in England analysed 542 rheumatoid arthritis patients in Europe, Latin America, Asia, and Australia for two years. All of the patients took methotrexate pills along with a weekly shot of the biologic drug Enbrel; others got a placebo shot, WebMD reported

Diabetes and obesity can affect male fertility in a negative way, new research has found. The findings, presented Wednesday at the European Society of Human Reproduction and Embryology conference here, could mean that men need to keep tabs on their weight when planning a family.

Researchers from the University of Aberdeen found that men of average weight have healthier sperm in higher volumes than those outside the normal range. The research follows reports made by doctors earlier this week that male fertility begins to decline when men reach their mid-30s