Yeah, Tosca doesn't take in those issues. In fact, she doesn't take in quite a few issues in my opinion.
My advice? Stay clear of starchy carbs which will raise blood sugar and insulin resistance. Get your healthy carbs from green veggies and a limited amount of other, sweeter veggies. Seriously limit (but don't completely eliminate) fruits.
Starchy carbs are white potatoes and even other potatoes. The other ones aren't quite as bad as the white ones but still, limit, limit, limit. Also root veggies (carrots, beets especially) are full of sugars. Again, limit them.
Stay completely away from all grains and white potatoes and you will be cutting out almost all the bad carbs. No bread, no pasta, no cereals, no "diet" sweet treats. You will be SO amazed at how great you feel if you do this. Of course, if you have been eating a lot of sugars and foods with starchy carbs and you go off cold turkey your body will have a tantrum and you might feel strange, even sick for a short while as those bad bacteria get starved out--they don't always leave without a fight. Work through that the best you can. Don't give in to their sugar cravings; you'll only encourage them to stay.
Join the "Nuts for Coconuts" team and the "Paleo Team" and learn some new, tasty ways of eating and baking using all REAL and natural foods. It's all the refined foods that have made us so sick and over-weight.
And stick with "clean" foods That is, foods that haven't been manipulated, changed, chopped into molecular parts, powdered, or have chemical additives that you can't even pronounce in them.
Good luck on your health journey.
Hospitals are terrific for traumatic care; for acute care. They do a really, really good job in saving lives when it’s a sudden bleeding emergency. But in terms of chronic care, they’re terrible; in terms of the illnesses that most people have, endure, that cost the most money, that last the longest and ultimately die from. -Dr. Andrew Saul