Lifestyle Factors Smoking, poor sleep, and inactivity impair blood flow, nutrient delivery, and hormone regulation
The cortisol to DHEA ratio is generally high
Anyone can be affected, but some groups are more at risk: Vegetarians and vegans, since B12 mainly comes from animal products Older adults, as absorption gets harder with age People with digestive issues like Crohns or coeliac disease Those taking certain medications, such as long-term metformin or stomach acid reducers People with pernicious anaemia, an autoimmune condition that stops you from absorbing B12 If you fit into one of these categories and notice symptoms, its worth getting your levels checked
Studies document reductions in fine lines and wrinkles, alongside measurable increases in: Skin elasticity Skin thickness Density Skin firmness Smoothness The mechanism is straightforward: More collagen and elastin production, combined with antioxidant protection against oxidative damage that degrades structural proteins
Genetic investigation of methylenetetrahydrofolate reductase (MTHFR) and catechol-O-methyl transferase (COMT) in multiple sclerosis
Track range of motion using simple home tests (how far can you reach, bend, rotate)