maybe not dietry laws but more like tips on how to become more healthy.
In the Torah tahor and tamei(clean and unclean) are not about health but trust. God tests all people, and in this way he tested Israel's love for him. To see whether or not they loved him. "if you love me you will obey my commandments". The bible plainly states God tested Israel with the manna. It's not the only test he place upon them. All his commands are a test, of faith.
As a Messianic Jew my family has been keeping kosher for a long time. But we are also organic, and have found that eathing organic has many more health benefits than just eathing kosher. Oh we love our kosher meats, but many things that are 'rabbinically' kosher are in fact just as unhealthy or more for you than truly organic foods.
Now, I do believe that kosher meats are better than unkosher meats. For one reason is they taste better, and they are butchered properly. Meaning that when an animal is butchered inhumanly like most cows and chickens are they produce a chemical from the fear of the butchering. Kosher animals are butchered as humanly as possible and do not produce these chemicals, which are bad to consume yourself.
We are organic/kosher, but the kosher is not so much about being healthy as it is about being in love with our creator and embracing the covenantial responsibilities of Jewish life defined in Torah, expressed in tradition, and renewed and applied in the context of our New Covenant.
My point is, eat kosher if you like, but there are far more healthy reasons for eating organic and natural than there are in following the kashrut laws within the bible, or Judaism.
