Recently freed hostages may face a variety of health risks, from nutritional deficiency to lack of exercise, after spending 47 days in captivity in Gaza, according to professor Hagai Levine, head of the medical team for Israel’s Hostages and Missing Persons Families Forum, Report informs referring to NBC News.

“We know, for example, for diets, that they did not get a proper diet,” Levine told journalists at Wolfson Medical Center in Holon, where five of the recently released elderly hostages will receive evaluations and treatment.

“No exposure to sunlight, which again, for seven weeks, it’s, you know, there is a lack of vitamin D and, of course, mentally, how it affects you.”