When we talk about health issues, including problems with getting or keeping an erection, we often think about lifestyle choices or medical conditions. Genetic factors are traits or conditions inherited from our parents through our genes. These are blueprints our bodies use to make proteins and carry out various functions. Sometimes, variations in these blueprints can affect how our bodies work, including our sexual function. How do genes might affect erectile function? There are several ways that genes could contribute to erectile problems: Blood flow issues - Some genetic variations can affect how well blood flows through our bodies. Since good blood flow is crucial for getting and maintaining an erection, genes that impact blood vessel function or blood pressure could play a role
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