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Health

22 recent checks in this topic

Latest checks · Page 3

Close-up of an adult forearm with veins faintly visible beneath the skin.
Health

Is the blood in human veins blue?

No. Normal human venous blood is dark red. Veins can appear blue through the skin because of how light interacts with the tissues.

Verdict
False
Verification confidenceHigh
Side-by-side visible-light and ultraviolet photographs of a person's back with SPF 30 sunscreen applied.
Health

Does sunscreen cause skin cancer?

Evidence does not show that regulated sunscreen causes skin cancer. UV radiation is the established risk, and regular sunscreen use can reduce it.

Verdict
False
Verification confidenceHigh