Biohackers advocate for a proactive approach to health through testing, rather than assumptions about aging. The article explores Tally Health's TallyAge test, a $249 DNA kit launched in 2023 that measures DNA methylation to estimate biological age. This test helps users understand how their lifestyle choices affect aging. Adiv Johnson from Tally Health highlighted its impact, noting that many have made significant lifestyle changes after receiving their results. A recent study confirmed links between TallyAge and various diseases, reinforcing the importance of this diagnostic tool in promoting healthier living.
"Many people that have written to us or I've talked to have used the test as inspiration to make really, really powerful life changes," Adiv Johnson, head of scientific affairs and education at Tally Health, told me.
"We look at hundreds of thousands of DNA methylation sites across the genome," Johnson explained. "You get a value that tells you how methylated or unmethylated a given site is in your sample."
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