In the latest Q&A session, popular health experts address several pressing questions revolving around diet and nutrition. One frequently discussed topic is intermittent fasting, a dietary approach that involves alternating periods of eating and fasting. It is particularly popular for entering and maintaining a state of ketosis—a metabolic process that has numerous health benefits, including the improvement of mitochondrial functions.

A question arose concerning the consumption of fruits while intermittently fasting. The consensus highlights that while fruits are often nutrient-dense, they are typically high in sugars that may slow down the entry into ketosis, especially in individuals with insulin resistance. For optimal results, a strict fasting regime might be required for several months to help correct these insulin issues before reintroducing certain fruits.

The discussion also veered into the world of supplements, like vitamin B1 for addressing obsessive-compulsive disorder (OCD). B1 supports neural functions and brain health, suggesting a potential benefit in managing OCD symptoms through structured supplement intake.

Addressing digestion-related inquiries, additional fibers or meal modifications to increase bile intake were recommended for those experiencing constipation post-menopause. It's essential, however, to tailor such changes gradually to observe individualized responses effectively.

In tracing metabolic disruption caused by refined sugars, particularly in processed fruit juices compared to whole fruits, key nutrient discrepancies were cited. Fiber, essential nutrients, and antioxidants present in whole fruits help guard against sugar's oxidative effects, an advantage lost in pasteurized fruit juices. This understanding aids better nutritional choices for diabetes management or general well-being.

Contrary to some beliefs, omega-3s, pivotal for energy production, are sourced from fish oils—not B vitamins. Cod liver oil remains favored, given its rich vitamin A and D content. For broader context, knowledge around oils suitable for high-heat cooking like deep frying was also dished out, with clarified butter or coconut being the preferable choice over processed ones due to their higher stability at elevated temperatures.

Experts tackled other varied queries, from vegetarians enhancing their iron levels sans meat, to stretching techniques that do not stress the knees. This exchange particularly shines in displaying expert-led dialogue propelling informed health decisions.