4 min readWhy the same diet transforms your friend and does nothing for youThe same diet works differently because variants in genes like FTO, TCF7L2 and MC4R shape your appetite, how you store fat and how your body handles carbs, so two people eating identically can see very different fat loss and hunger results.
Reviewed· 3 sources· 3 genes
5 min readIs my afternoon energy crash actually fixable?Yes, the afternoon crash is often fixable: it can stem from blood-sugar swings after carb-heavy lunches, low iron tied to genes like TMPRSS6, B-vitamin handling via MTHFR, and your natural body clock set by PER3, all of which respond to food, iron status and timing.
Reviewed· 3 sources· 3 genes
3 min readWhy does coffee keep you up but not your partner?Coffee keeps you up but not your partner mainly because of the CYP1A2 gene, which sets how fast your liver clears caffeine, plus ADORA2A, which tunes caffeine's effect on your brain, so slow metabolisers feel it for far longer.
Reviewed· 3 sources· 2 genes
4 min readWhy does alcohol hit me harder than my friends?Alcohol hits you harder mainly because of variants in the ALDH2 and ADH1B genes, common in East and South Asians, which slow the breakdown of acetaldehyde, a toxic by-product, causing facial flushing, fast heartbeat, nausea and stronger effects from less alcohol.
Reviewed· 3 sources· 2 genes