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Concerns about cost, efficacy, and side-effects are possible barriers to the acceptability of pre-exposure prophylaxis (PrEP) in key at-risk groups, a study conducted in Peru and published in the International Journal of STD and AIDS shows.

“Important barriers to PrEP…included high out-of-pocket cost, partial efficacy and fear of side-effects,” comment the investigators, “these potential barriers will require careful attention when planning for PrEP dissemination.”

PrEP involves HIV-negative individuals taking antiretroviral drugs to prevent their infection with HIV.

There is considerable interest in this biomedical method of HIV prevention. There are

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Tags: Possible Barriers, Risk

Scientists have come a step closer to finding out what the causes of Alzheimers disease are.

Recently the number of genes known to be associated with Alzheimers disease has increased from four to eight, including the MS4A gene cluster on chromosome 11.

New research has expanded on this using a genome-wide association study (GWAS) to find a novel location within the MS4A gene cluster, which is associated with Alzheimers disease.

Alzheimers disease is the most common cause of dementia in the developed world.

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Tags: Alzheimer”s Disease, Disease