This figure includes 3.3 million young people age 12 to 17 (13.1 percent)
Low-birth-weight babies may have more trouble feeding and fighting infections, and some are more likely to have long-term health problems, such as diabetes, heart disease, and developmental delays
But vaping can also cause serious long-term health problems, including lung disease, heart disease, and cancer
One study examined the testosterone levels in young, healthy men after they slept eight to 10 hours for a series of nights and then restricted sleep to five hours per night for eight nights
Decisions on whether and when to take enforcement action are made on a case-by-case basis, taking into account multiple factors, including the available evidence and applicable legal standards