Your friend can eat whatever she wants and still fit into her prom dress, but you gain five pounds if you just look at that chocolate cake links of london earrings. Before you sign up for Weight Watchers and that gym membership, though, you may want to look at some recent research from Tel Aviv University and save yourself a few hundred dollars links of london rings.

A woman’s waistline may have less to do with rigorous exercise and abstaining from sweets than it does with the genes of her parents, according to a new study by Prof links of london jewellery. Gregory Livshits from the Sackler Faculty of Medicine at Tel Aviv University and colleagues from King’s College in London. Dr. Livshits and his colleagues have found a scientific link between the lean body mass of a woman and her genes. They’ve determined that thinness — like your smile or the color of your eyes — is an inheritable trait Charm Bracelet.