Washington, Feb 06: Two new studies from the University of Michigan have shown that kids from low-income families are at an increased risk of suffering from serious infections such as herpes or hepatitis A.

The studies show a startlingly strong correlation between income and chronic infection in both adults and children, with lower income populations suffering much higher rates of chronic infections and clusters of infections than higher income families.

Washington, February 6: The Entomological Society of America (ESA) says that a natural compound found in the Tauroniro tree of South America appears to be effective against mosquitoes and ticks, which are known to spread malaria, West Nile virus, and Lyme disease.

Publishing a report in the Journal of Medical Entomology, the society has revealed that this compound is called isolongifolenone.

Washington, Feb 4: A new study from Sahlgrenska Academy, University of Gothenburg, Sweden has found that people who have nightmares following a suicide attempt face a greater risk of attempting it again.

Washington, Feb 4: Gardening not only helps older adults stay in shape, but it also makes their hands strong and nimble, according to a new study.

What's more, the `green' activity boosts their self-esteem.

In an earlier study, researchers at Kansas State University have shown that gardening can offer enough moderate physical activity to keep older adults in shape.

Washington, Feb 04: The time of the day when cancer patients receive chemotherapy can impact their chances of survival, according to a new study.

Washington, Feb 4: Mommy's childhood experiences could affect the brain function of her offspring, says a new study.

The research by scientists from Rush University Medical Center and Tufts University School of Medicine using mice indicates that a child''s memory and the severity of learning disorders may be affected by what his or her mother did when she was a child.

Washington, Feb 4: Zen meditation - a centuries-old practice that helps people gain mental, physical and emotional balance - can keep pain at bay, according to Universite de Montreal researchers.

According to a Psychosomatic Medicine study, Zen meditators have lower pain sensitivity both in and out of a meditative state compared to non-meditators.

Washington, Feb 4: The health benefits of green tea have come under scanner following a new research which has found that the "healthy" drink could reduce the effectiveness of one kind of chemotherapy treatment.

Washington, Feb 03: Insulin, which is used to keep diabetes under control, may help treat or prevent Alzheimer''s disease, according to a new study.

Researchers at Northwestern University say that insulin, by shielding memory-forming synapses from harm, may slow or prevent the damage and memory loss caused by toxic proteins in Alzheimer''s.

Washington, Feb 03: A new study has revealed that teens and young adults who are heavy users of marijuana are more likely than non-users to have disrupted brain development.

In the study, researchers found abnormalities in areas of the brain that interconnect brain regions involved in memory, attention, decision-making, language and executive functioning skills.