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Washington, Sept 19 : A mathematical model developed by researchers at University of Pittsburgh School of Medicine to predict the public-health impact of pre-exposure chemoprophylaxis (PrEP) – an HIV prevention strategy that uses antiretroviral drugs, has found that giving a daily antiretroviral pill to people to prevent HIV could profoundly slow the spread of the infection in sub-Saharan Africa.

The strategy is based on the hypothesis that HIV transmission can be curtailed if treatment is given before exposure to the infection occurs.

Washington, Sept 19 : Researchers at the Saint Louis University School of Medicine have discovered that cholesterol contributes to atherosclerosis.

Atherosclerosis is a condition, which significantly maximizes the risk of heart attack and stroke, by repressing a key protein’s activity, which protects the heart and blood vessels.

Washington, Sept 19 : A new research has revealed that women, who have their baby before age 20, are more prone to chronic diseases and death during their middle age.

The study, which also states that having a child as a young single woman lowers economic status in midlife, appeared in the September issue of the Journal of Health and Social Behavior.

Karachi, Sep 19 : A Pakistan Cricket Board (PCB) official has said that one of the reasons behind the national team’s impressive performance at the Twenty20 World Cup is the absence of trouble-making pacer Shoaib Akhtar.

Though squad stunned by the circumstances surrounding Shoaib’s exit from the team, Pakistan players took little time to recover, the official said speaking on the condition of anonymity.