Dr. Katz answers your health and nutrition questions in these 2-minute videos from Vidoyen:
![](https://davidkatzmd.com/wp-content/uploads/2018/02/1164-520x360.jpg)
Is there a way to prevent Alzheimer’s disease or prepare for it?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/699-520x360.jpg)
I have Crohn’s disease – should I take supplements?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/273-520x360.jpg)
how much vitamin D should a normal adult take on a daily basis?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/1078-520x360.jpg)
Why do we need a True Health Coalition?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/452-520x360.jpg)
ABE FOR FITNESS
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/208-520x360.jpg)