Your body uses vitamin D for maintaining healthy bones and effectively absorbing calcium. Not having enough vitamin D in your system may raise your risk of osteoporosis, bone malformations, cancer, inflammation and suppressed immunity. A simple blood test can give you accurate results and help you determine if your vitamin D levels are in the healthy range.
Delta Airlines requires that the make-up bag or carry-on luggage must not exceed 45 linear inches, with a maximum size of 22 inches in length, 14 inches in width and 9 inches in height.
Delta Airlines (DL) allows 1 carry-on bag and 1 personal item (purse, briefcase, laptop bag) per passenger fee free. 1  45 linear inches (22 x 14 x 9 in) or 115 centimeters (56 x 36 x 23 cm) including handles and wheels.  Fit in the overhead bin or under the seat in front of you.