Washington, Mar 22 : A new study from Creighton University of Omaha has revealed that chronic marijuana abuse is linked to a severe vomiting sickness.

Lead researcher Dr. Sontineni said that doctors and health care workers currently under recognize the syndrome leading to delayed diagnosis and expensive diagnostic investigations.

With the increasing consistent use of marijuana, particularly young people, over several years might give rise to the number of cases diagnosed each year.

Washington, Mar 22 : A new study has revealed that cancer patients who are malnourished experience significantly greater levels of psychological distress than those who are more adequately nourished.

For the study, Dr Shafia Amdouni, from the Cancer Nutrition Rehabilitation Program at Canada''s McGill University Health Center, and colleagues set out to examine the relationship between malnutrition and psychological distress in patients who were taking part in a cancer nutrition rehabilitation program.

They looked at 213 patients with advanced cancer, asking them to assess their own nutrition status and their distress.

London, Mar 22 : Taking a special vitamin supplement during pregnancy can keep hydrocephalus, one of the most common birth brain defects, at bay, claim researchers.

According to scientists, who conducted tests on rats to reach the conclusion, results have shown a combination of folates dramatically reduces the rates of hydrocephalus - in which fluids build up in the brain''s chambers.

However, it's too early to say anything further, say researchers in the Journal of Neuropathology and Experimental Neurology.

Washington, March 22 : Newborn infants, born either at term or prematurely, lack a DNA net, called a neutrophil extracellular trap (NET), cast by mature white blood cells to fight severe infection,

London, Mar 22 : Move over books, special diets and voodoo - couples who are trying for a baby should concentrate on having wild and uninhibited sex, or `gourmet sex'.

According to Dr Allan Pacey, a senior lecturer in andrology at Sheffield University, the better is the quality of lovemaking; the greater are the chances of conceiving

What one fertility expert calls "gourmet sex" - where both partners take time to ensure the other has a satisfying experience - gives a couple the best chance of producing a baby.

"Couples who are trying to have a baby often mention that the sex becomes a bit of a chore, a bit mechanical and routine. That''''s the wrong thing to be doing," The Guardian quoted Pacey, as saying.

London, March 22 : A researcher at Georgetown University Medical Center''s Lombardi Comprehensive Cancer Center says that monoclonal antibodies can be used as potent immune weapons against cancer.

Louis Weiner, director of the cancer centre at GUMC, says that monoclonal antibody therapy of cancer can be improved to be much more powerful than it is today with modifications.