5HTTLPR is the most well-researched variant of SCL6A4, which encodes a serotonin transporter. Its two different alleles, long and short, can affect your odds of a wide variety of conditions, especially mental. Read this report to learn more and check your genotype.
ADA (Cognition/Longevity)
$10.00
ADA encodes an enzyme that breaks down adenosine. A variant may influence attention and longevity.