All research designs have their strengths and limitations. A comparison of lung cancer in the US and India with average tobacco intake in the two countries could say something about whether cigarette smoke causes cancer. So could following two groups, of smokers and of non-smokers, over ten years...

Advances are constantly being made in medical science. There has been a marked increase in the number of medical journals. The corporate sector has also entered this field in a big way. Many newer medical periodicals are being published by corporate houses. These are often distributed by post or ...

Contraceptive research has been driven by the need of the provider, not the user, comments the Forum for Women's Health

Discussions of the placebo-controlled clinical trials for HIV have focussed on methodological questions, ignoring the fact that treatments are available but unaffordable

Twenty-eight physicians, ethicists and sociologists responded to a questionnaire on the role of the second opinion in medicine today. Their comments provide the basis for further discussion on this practice, the issues involved, and the ethical complexities in a changing health-care scenario....