See the following ingredient list & tell me TWO concerns and…

See the following ingredient list & tell me TWO concerns and why you have them with the ingredients in Zignature Catfish Limited Ingredient Formula Grain-Free Dry Dog Food. Think about our conversation about DCM. New: Catfish, Catfish Meal, Peas, Pea Flour, Chickpeas, Sunflower Oil, Flaxseed, Natural Flavors, Salt, Taurine, Vitamins (Vitamin A Acetate, Vitamin D3 Supplement, Vitamin E Supplement, Niacin Supplement, D‐Calcium Pantothenate, Thiamine Mononitrate, Pyridoxine Hydrochloride, Riboflavin Supplement, Folic Acid, Vitamin B12 Supplement), Calcium Carbonate, Choline Chloride, Tricalcium Phosphate, Minerals (Zinc Proteinate, Iron Proteinate, Copper Proteinate, Manganese Proteinate, Sodium Selenite Calcium Iodate), Potassium Chloride, Mixed Tocopherols Preserved, L-Carnitine.

Investigators conducted a study to compare Covid-19 vaccine…

Investigators conducted a study to compare Covid-19 vaccine history among 1,294 adults with pre-existing heart condition  and 4,469 adults without such condition. (They found that history of pre-existing heart condition and negatively related to Covid-19 vaccine uptake.) This is an example of which type(s) of study?