Anand Mahindra, shares research linking mental well-being in adulthood to the age at which a person first owns a smartphone.Research conducted by Sapien Labs and Krea University reveals a concerning trend of declining mental health among young people due to smartphone use.The study shows that the age at which a child first owns a smartphone has a significant effect on their mental health later in life.Data from a global study involving 27,969 individuals aged 18 to 24 indicates declining mental health among young people due to smartphone use.