Most Helpful Guy
A poor diet can make you age faster so you gets wrinkles earlier and you gets more of them. Both junk food, smoking, stress, alcohol, drugs etc. can give you more wrinkles. But so can sun exposure, genetics and regular aging too. Although you're healthy and have good genes you can still age and get some wrinkles, but usually you gets lesser of them. Aging happens to everybody who gets old.
Most Helpful Girl
A bad diet can really lower the quality of your skin. What you put inside your body is reflected on the outside (junk food, smoking, stress, etc.).
So I'd say that while wrinkles aren't directly created from a bad diet, a bad diet will promote the production of wrinkles at a faster pace and at a younger age
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