Interesting insights - click ⬇️ the "link" below
A 20-year follow-up study of more than 10,000 people: six factors that make the elderly live the most
The study found that older people of different ages and genders may have different characteristics, and six indicators, namely vision impairment, hearing impairment, cognitive impairment, physical weakness, poor sleep, and depressive symptoms, are related to each other and form a "risk trajectory network".
Why are hyperlinks blue?
Who decided to dye the hyperlink blue? When was that decision made, and how did this decision have such a lasting impact?