"Maybe the reason why free radicals and aging are correlated is because free radical production in the mitochondria (part of the cell) is a stress reaction to the damage of aging," Hekimi said.

海克米说：“人们之所以把自由基和衰老联系在一起，可能是因为自由基在线粒体(细胞的一部分)中产生是人体对衰老的应激反应。”

youdao

The physiological activators of the red pepper and the garlic in kimchi plays the role of preventing cell aging, sterilizing noxious germ, killing pain, improving immunity and the like.

泡菜中的红辣椒和大蒜作为生理催化剂，可以有效地延缓细胞衰老，杀灭有害微生物，止痛，提高人体免疫力等。

youdao

Mainly refers to the aging of skin protein synthesis control of gene fragments on the gene mutation, resulting in cell Death and fiber breakage, thus forming.

皮肤的衰老主要指控制蛋白质合成的基因片段上的基因突变，造成细胞的死亡及纤维的断裂，从而形成皱纹。

youdao

"Actually,each fat cell secretes at least 100 chemicals out of the cell into our bodies, which promote cancer, which promote aging, which promote inflammatory chemicals that can influence dementia, arthritis and heart disease.

VOA: standard.2010.02.23

An aging stem cell doesn't quite have the luxury of dividing into all these cell lines.

CNN: Dr. Sanjay Gupta: Understanding stem cell research

Today the agency proposed a new requirement that, if finalized, will require warnings on the use of ultraviolet light-emitting tanning beds by individuals under age 18 because of the increased risk of melanoma, squamous cell carcinoma, eye damage, and premature skin aging.

FORBES: If Tanning Beds Were A Drug, They'd Be Illegal