Which health plan is better?
There are many health programs now, but if you think the one you watched before is useful, you can continue watching it without listening to others. This thing is on your own, and you think it is useful. Besides, some things that Song Yifu said are really useful. Now he is not in the original program lecture, and now he is called Sun Yat-sen. You can search. There are many other experts in that program.