Blocking Vaginal Transmission of HIV

XLPharmacy has learned about some new prescription drugs now used to treat human immunodeficiency virus infection in adults may prevent the vaginal transmission of HIV. In this latest study, the mice were given the anti-retroviral drugs once a day for seven consecutive days starting 48 hours before being challenged intra-vaginally with HIV. None of the mice that had been given the anti-retroviral drugs contracted HIV; however, seven of the eight mice that didn't receive the anti-retroviral drugs tested positive for the infection as early as two weeks post-infection. If this pattern proves to be true in subsequent trials, women someday might have to take one pill a day in order to potentially prevent vaginal transmission of HIV.

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Men with Heart Failure Can Still Have Sex

Many people with chronic heart failure worry that having sex will place too great a strain on the heart. XLPharmacy learned tht the researchers analyzed studies showing the impact of sexual activity on heart rate, blood pressure and respiratory rates, which typically increase during sexual activity and found the peak heart rate during intercourse was lower than heart rates measured during normal daily activities such as walking, climbing stairs slowly or vacuuming. However, many with heart failure also have erectile dysfunction and the authors reviewed results from a variety of studies in which male patients with congestive heart failure took Sildenafil, or Viagra, and found the medications for both conditions can be safely and effectively treated, provided patients are appropriately screened before therapy.

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