12 Reasons You Might Be Feeling Cold All the Time

You have low body weight

Being underweight could mean you’re always cold for two reasons, Tucci says. Fat works as an insulator, so having less fat might mean you can’t hold heat well. Plus, cutting calories can slow your metabolism, giving your body less energy to heat itself. “Your body is smart and doesn’t want to use energy if it’s worried that energy is scarce,” Tucci says. If you’re trying to gain weight, Tucci recommends stocking up on calorie-dense foods with good fats, such as nut butter, full-fat Greek yogurt, and dried fruit