has discussed paying attention to whether his nail growth has slowed and considering how long it has been since he last trimmed his nails.
He also referred to a study conducted in 1979 in which scientists observed the fingernail growth rates of hundreds of people.
According to the article, the study found that fingernail growth slowed by approximately 0.5% annually from around the age of 30 onward.
This observation may provide interesting information about changes in nail growth with age, but it should not be interpreted as a reliable method for predicting an individual’s life expectancy or determining their biological age on its own.
Other Health Signs Revealed Through Your Nails
Your nails can sometimes show changes associated with a variety of health conditions. However, nail changes are not diagnostic by themselves, and many different factors can affect the appearance and growth of nails.
For example, a dark streak on a fingernail can sometimes be associated with melanoma and should be assessed by a healthcare professional, particularly if it is new or changing.
Nails with numerous small dents or pits can occur with conditions such as psoriasis or atopic dermatitis.
Yellowing nails can occur for several reasons and may
