Sunlight Shrinks Your Facial Fat

Name: Sunlight Shrinks Your Facial Fat
Uploaded: 2025-07-17T12:00:18Z
Channel: Dr. Charles Mok
Description: This is a YouTube video titled "Sunlight Shrinks Your Facial Fat" containing a monologue or lecture-style explanation about how aging and chronic sun…

17 Jul 2025

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This is a YouTube video titled "Sunlight Shrinks Your Facial Fat" containing a monologue or lecture-style explanation about how aging and chronic sun exposure affect fat distribution in the human body, particularly facial fat loss due to apoptosis and fat cell turnover. The content is educational and focuses on biological processes related to skin and fat cells.

As we age, we have loss of fat in our face. We might gain fat in our bellies or our legs or thighs or arms. We typically lose it in our fat, mostly because of solar exposure or sun exposure. So the sun, when it goes through your skin, it penetrates through your epidermis and the dermis and gets to the subcutaneous fat. And what happens with sun exposure, particularly chronic sun exposure, is that the fat cells that are turning over, they Only live about 5 to 7 years in your body, in your face. And then as a fat cell dies, it goes through a process called apoptosis. It gets replaced by a pre adipocyte or a stem cell to make a new fat cell. That's why typically, your number of fat cells stays about the same.