Cooking with Broccoli. Cooking methods can impact the nutrient content and health benefits of broccoli. Boiling can leach up to 90% of the valuable nutrients from broccoli, while steaming, roasting, stir-frying, and microwaving tends to preserve the nutrients. History of Broccoli
a meta analysis is a statistical analysis that combines the results of multiple scientific studies
1 Not surprisingly, as with any research technique, meta-analysis has its advantages and disadvantages. 2  An advantage is its objectivity, and yet like any research, ultimately its value depends on making some qualitative-type contextualizations and understandings of the objective data.