Sun Exposure, Vitamin D & Aging
Key Takeaways
- After age 50, skin becomes thinner, increasing cancer risk from peak sun exposure.
- Seniors should prioritize supplements and indoor exercises over harsh sunlight.
- Dehydration and electrolyte imbalance from sun exposure can affect kidney health.
As we age, our skin gets thinner and weaker. Consequently, for those above 50, afternoon sun exposure should be strictly avoided to prevent instigating skin cancers. While sun exposure is a traditional source of Vitamin D, the risks now often outweigh the benefits due to ozone layer depletion.
Guidelines for Under 50s vs. Over 50s
For those less than 50 years old, the upper back area can be exposed for 30-45 minutes at non-peak hours, or only 15-20 minutes during peak hours. However, we are now exposed to more harmful rays than 20 years ago. Sales teams and delivery staff often have high Vit D but are at high risk for skin cancers.
"Why escalate to a hospital admission for Dehydration or Heat Stroke just for Natural Vit D production?"
The Strategy for Seniors
For those above 50, avoid the sun to prevent dehydration (which affects kidneys) and electrolyte imbalances causing dizziness and weakness. Instead, adopt this protocol:
- Stay Indoors: Take a daily Calcium + Vitamin D (2000iu) supplement.
- Static Exercise: Perform indoor exercises like wall squats (with supervision/support).
- Professional Help: Utilize home physiotherapists or gym trainers to train muscles to tolerate exercises safely.
Conclusion
Increasing muscle strength helps avoid falls and injuries, securing a good quality of life and reducing hospital expenses. This approach is especially critical for the younger, stressed generation—including husbands and wives working entirely indoors, whether in offices or from home.
Luckily, in Asian countries, this younger generation has a simple remedy: simply walking outside between 4 PM and 5 PM is sufficient to get adequate exposure of good sunlight.
