Tiffs are lossless, but they are quite a lot bigger.
Repeatedly editing and saving jpg's does degrade them.
I always keep the original when I edit a photo ('save as' under another name) and you can usually choose high quality when you save as jpg.
Samsung Galaxy S10 review: Hands-on
From Haiku to Hokusai: How a new puzzle game was inspired by ancient Japanese art
Best free iPhone games 2019
Les meilleurs forfaits mobiles à moins de 20 €