Q&A: Dr. Greger Talks Optimal Nutrition, Reducing Disease, and Foods to Avoid

Replay of Dr. Greger's live Q&A on Thursday, May 23, 2024.

Questions asked during live Q&A:

0:00 Introduction

0:42 Can you give me tips on how to optimize health, strength, and fitness?

1:35 Can you rinse salt out of canned vegetables? Or can you add potassium salt to counter the sodium?

2:38 Is berberine poisonous? Should I eat barberries?

3:33 What time should you stop eating before bed?

4:00 Can eating too many nuts, seeds, and avocados raise my LDL cholesterol?

4:55 Are you planning an update on the March Study showing a 91% increase in cardiac mortality associated with intermittent fasting?

5:42 Do the advantages of algae outweigh the disadvantages, such as contamination with heavy metals? Which algae are the healthiest?

7:32 Red vs green rooibos tea. Which is healthier?

7:45 A study from Charité Berlin showed that regular blood donation could lower blood pressure. Are there any other health-releated advantages from blood donation?

9:02 Are prunes or dates high in polyphenol oxidase (PPO) like bananas? Any other fruits or just bananas to worry about?

10:05 Does B12 definciency cause intense sugar and salt cravings?

10:32 I had intense sugar and salt cravings then my doctor put me on statins and they went away. Now that I'm off statins, the cravings are back. What explains that?

11:00 Have you looked at research on therapeutic use of psychedelics?

12:05 My LDL and total cholesterol remain high in spite of being WFPB for 8+ years. I have a family history of cardiac disease. What else can I do?

14:50 Are 90 grams of nuts and seeds (~3.20 oz) per day too much? Where is the tipping point for nuts and seeds?

15:14 I have just stopped using all non caloric sweeteners. Are there any studies that show how long it might take my body to start responding appropriately to carbohydrates?

15:55 Does listening to music while exercising decrease level of testosterone in men and women?

16:48 I have been making a drink with matcha, flaxseeds, curcuma, amla, ginger, and soy milk. Is this good?

17:25 I love foods rich in spermidine for longevity but recall hearing that spermidine and spermine may be culprits for cellulite. Must we accept cellulite to gain spermidine's longevity benefits?

19:10 Can you comment on nitric oxide? Do you agree that the way to maximize intake is to eat leafy greens 6x per day?

20:15 Can you talk about microscopic colitis and how to stay on a plant-based diet if you've been diagnosed?

20:51 An article in a health magazine that says that grains, legumes, potatoes, nuts and seeds cause inflammation of the gut and permeability. Is it true that these foods cause inflammation of the gut?

21:32 Many doctors recommend some animal protein in the diet. Part of their reasoning is that the fiber in plant foods interferes with the digestion or absorption of plant-based protein. Are they right?

22:29 I've been making the delicious Okinawan Smoothie from How Not to Age on repeat! Are there any updates on the How Not to Age Cookbook or recipe sneak peeks?

23:24 Do used coffee grounds have any health benefits for humans?

24:26 What is the maximum amount of caffeine that a slow caffeine metabolizer can consume without any negative health effects? Is zero optimal?

24:50 Any negative side effects to eating a lot of berries?

25:21 Could you comment on the proper percentage of the macros for someone with non-alcoholic fatty liver syndome?

26:28 Should Vitamin D3 be mixed with saliva (i.e. chewed)?

27:05 I have prostate cancer. Are canned mackerel and fish okay or remove them? Protein powders like whey and soy? Should I avoid choline in B-complex vitamins and protein powders?

27:58 Daikon vs red radish—which is better at making sulforaphane? How much radish to eat per meal?

29:27 Next webinar announcement: June 14th on anti-aging drugs