Those who used their smartphone five or more hours a day increased their risk of obesity by 43%. Meanwhile, 26% of those who were overweight and 4.6% of those who were obese spent more than five hours a day on their smartphone.
But most teens have never sent or received a sex text, the new study found. It focused on about 5,600 students in American middle and high schools, ages 12 to 17.
Even though they have normal eyes, patients with this type of blindness lack a gene that turns light into signals to the brain that enable sight, the Associated Press reported.
