Matthias Riedl, a German nutritionist and endocrinologist, emphasizes the importance of avoiding what he terms 'aging accelerators' to maintain a youthful appearance without resorting to surgical or costly aesthetic treatments. In his experience as the founder and director of Medicum Hamburg, a prominent clinical nutrition and diabetes center, Riedl lists nicotine as a primary culprit that enhances the visibility of skin wrinkles, significantly affecting facial aesthetics. He notes that nicotine contributes to a characteristic facial appearance, where expression lines become much more pronounced.

In addition to nicotine, Riedl highlights the detrimental effects of alcohol on the skin, as it can cause the dilation of fine blood vessels on the face, further compromising skin appearance. Moreover, he points to nutrition as a critical factor in skin health, specifically noting that inadequate protein intake can lead to a deficiency in essential components like collagen and elastin, which are crucial for maintaining skin elasticity and integrity.

Riedl's holistic approach underscores the connection between lifestyle choices and skin health, advocating for balanced nutrition and the avoidance of certain habits to mitigate the signs of aging. His insights reflect a growing trend in preventative healthcare focused on nutrition and lifestyle as key components in combating aging without invasive procedures.