Dr. Katz answers your health and nutrition questions in these 2-minute videos from Vidoyen:
![](https://davidkatzmd.com/wp-content/uploads/2018/02/1051-520x360.jpg)
Lifestyle as medicine: do we really know enough?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/451-520x360.jpg)
My 15 year old son is taking Creatine – is it safe and healthy for someone his age? If so,how much?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/929-520x360.jpg)
What can i do if my child is overweight?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/355-520x360.jpg)
Is butter really “back”?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/1162-520x360.jpg)
What do you think of PSA testing for prostate cancer?
View Video![](https://davidkatzmd.com/wp-content/uploads/2018/02/697-520x360.jpg)