Before signing up for a paleo meal delivery service, a person should consider any health conditions they have that may be affected by a change in diet, their budget, and the nutritional balance and calories paleo meal deliveries can provide. However, a 2017 study involving postmenopausal women with obesity found that a person may be at risk of developing an iodine deficiency when following a paleo diet. A second 2016 article also noted that it is difficult to make firm conclusions about the benefit of a paleo diet on type 2 diabetes due to a lack of high-quality research. Overall, more research is needed to determine the benefits of the paleo diet, as many current studies are small, and the research into the paleo diet is still limited. As a result, a person should talk to a doctor before trying the paleo diet.