Answer:
Eating a healthy diet.
Explanation:
Skin contains different chemicals that helps to defense us from the pathogens. Skin consists of collagen, fats, keratin and proteins. Skin acts as the first line of defense in the organisms.
The collagen and keratin protein in skin are linked together by the cross- linking between them. The increase in these cross linking decrease the flexibility of the skin. This cross linking can be reduced by eating a more healthy diet rich in vitamins, minerals and carbohydrates.
Thus, the answer is eating a healthy diet.
Yes, the lack of vitamins can affect your body as well as your health in a negative/bad way.<span />
Watch with a timer would be the most useful for monitoring your heart rate
Forensic DNA analysis is used to match two samples of DNA, and that's why it's so important.
WHAT IS FORENSIC DNA TYPING?
The use of DNA to establish identities in connection with legal matters, such as crimes.
NOTES FROM ME:
Sorry for the short answer, but I don't know too much about DNA analysis. Just in case that your really-really needed this answer, now you have it. I will do some additional research and I'll add more information, though comments, as I receive them.