"Millions of Americans have AKs, and the number continues to grow. In fact, AKs are so common today that treatment for these lesions ranks as one of the most frequent reasons people consult a dermatologist."Some images, from VisualDxHealth. Click for larger. There are more on their site:
- American Academy of Dermatology
The following study found that a low-fat diet reduces the incidence of AKs:
Effect of a Low-Fat Diet on the Incidence of Actinic Keratosis, New England Journal of Medicine, 1994
- 76 men and women, caucasian, non-diabetic, with a history of nonmelanoma skin cancer.
- Randomly assigned to a control group (n = 38) or intervention (low-fat) group (n = 38).
- 24 month follow-up.
- Control group consumed ~40% of their calories from fat.
- Intervention group consumed ~20% of their calories from fat.
- No significant difference in the ratio of polyunsaturated fat to saturated fat between the two groups during the 24 months.
- No significant difference in body weight between the two groups during the 24 months.
"Our dietary intervention trial clearly indicates that a large decrease in calories consumed as fat reduces the incidence of actinic keratosis."
● Control group, 40% of calories from fat
о Intervention group, 20% of calories from fat
A person in the control group:
- With no history of AK, < 65 years, had a 56% chance of having one or more AKs during the 24 months (a risk 4.7 times greater than similar patient in low-fat group).
- With a history of AK, ≥ 65 years, had a 99% chance of having one or more AKs during the 24 months (a risk 8.4 times greater than similar patient in low-fat group).