No vitamin D in them though!
Unless you want your limbs to end up all croggled and squirled into whorls like cooked spaghetti - worse still people mistaking you for a marshmallow and trying to poke forks into you - drastic measures are called for.
You'll need to eat copious amounts of mackerel; you might start clapping your hands and barking like a seal but, hey! you'll live until you're at least 100.