IF YOU thought headaches were restricted to reluctant Mills and Boons heroines, think again. After a 14-year follow-up study of 26 patients, scientists John R Ostergaard and Morten Kraft from the

Agrin, a protein released by nerve cells, helps in triggering off the formation of a machinery through which neurons communicate.

Fathers may be responsible for birth defects in their offspring (New Scientist, Vol 136 No 1843). Research using animal models suggests some miscarriages, birth defects and children's diseases can be

People infected with the AIDS virus are more susceptible to tuberculosis, and this further reduces their chances of survival.

Premature deaths and disease caused by a polluted environment is the most pressing problem in the world today, says a WHO report prepared for the Earth Summit

Research in atmospheric sciences is booming because of the impending threat to4he world's climate. Every month there is a new study showing new sources of greenhouse gases rages that are capable of producing global warming or disputing earlier