2. Melanoma
• The most dangerous form of skin cancer.
• 100,000 new cases of melanoma are diagnosed in the
U.S.
• Unrepaired DNA damage sin cells triggers mutations
and leads skin cells to double fast and form malignant
tumors.
5. Ultraviolet light
Light is an electromagnetic
radiation with a
wavelength shorter than
visible, but longer than x-
rays in the range of 10nmt
400nm and energies from 3
eV to 124 eV
6. Fair skin
• People who have pale skin
or freckles have fair skin.
• Sun burns in children may
have a higher risk of skin
cancer.
7. Radiation
• X-rays is an example of radiation
but so is the light coming from
the sun, and the heat coming
from our body.
8. Skin Cancer
• Can be caused by sun radiation.
• Skin cancer usually develops in
the epidermis.
• skin cancer is the most
commonly diagnosed cancer.