Further tests showed that the additional melanin protected the mice against UV-induced DNA damage, sunburn
, and skin cancer.
Sun exposure and experience of blistering sunburns
have been identified as important risk factors for adult melanoma.
Even without sunburn
, intense sunlight causes permanent changes in the skin.
A review of two databases from 1990 to the present (PubMed, MDConsult; search words: sunburn
and edema) and several dermatology and general medicine textbooks do not mention the clinical picture described above.
Melanotan has completed a Phase II clinical trial in Australia which demonstrated the drug increases melanin content by up to 100% and reduces sunburn
injury by up to 50% in fair-skinned volunteers.
Accumulation of sunburn
damages the skin's DNA and is a major cause of cancer and ageing, they said.
To prevent sunburn
anytime of the year and in all environments, use sunscreen with a sun protection factor of at least 15 and cover all exposed skin.
Blond or red hair color, greater body surface area, and sunburns
in the second through fourth decades of life were other significant risk factors.
Tanners seem convinced that establishing a "base tan" will protect them from sunburn
, an idea dermatologists dismiss as a myth.
If you normally get a sunburn
after five minutes under the noonday sun, a product with an SPF of 15 would let you stay outside 15 times longer (75 minutes, in this case) before you started to burn.
We began discussing my topic for the upcoming issue, and I told everyone that I would be covering natural treatments for sunburn
In a study of 1,192 children, 72% had at least one severe sunburn
during the summer of 1998 (Pediatrics 110:27-35, 2002).
Even girls who wouldn't dream of scarring their body with a tattoo, however, think nothing of scarring it with a sunburn
Her oldest, 6-year-old Rachel, however, has never had a sunburn
The sun's damaging rays can cause a serious sunburn
in just a short time, indicates Kathleen Delaney, professor of emergency medicine.