There is science and science. Rocket science is notoriously unforgiving. Nutrition science is pretty much the opposite, a half-hearted attempt to make sense of

There is science and science. Rocket science is notoriously unforgiving. Nutrition science is pretty much the opposite, a half-hearted attempt to make sense of "garbage in, garbage out". The difference is in, among others, loopback length. If something goes wrong during a rocket launch, the fireball is only seconds away. Not so much in food and health, where the consequences take decades and multiple causal factors are hard to disentangle.