"Physicians should still screen men for melanoma risk, but they do not need to add use of erectile dysfunction drugs to their list of screening criteria," says Loeb, whose latest study was prompted by a highly cited 2014 analysis in 14 men who had taken Viagra and were later diagnosed with melanoma. "When used appropriately, erectile dysfunction medications are very effective and improve the quality of life for many men, so men should know it is doubtful that taking these medications puts them at greater risk of getting skin cancer," says Loeb, who encourages her male patients to always practice skin cancer prevention by minimizing their exposure to the sun. Moreover, researchers say their calculations of statistical risk would have been expected to be different for other types of skin cancer if the drugs, known collectively as phosphodiesterase type-5 inhibitors (PDE5i), actually caused the disease. Just like us non-Olympians, the types of supplements Olympic weightlifters use are going to be determined by their own bodies' needs. Let's look at some of the most commonly used supplements, beginning with what amino acids are and why they're important for weightlifters.
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