There are important differences. Losing weight is almost always a good thing, however you also have to look on the inside of the body. What makes ateries clog? And here comes meat and diary into play. Ppl tend to look on a lean muscular body but do not consider what makes the body work.

Pls have a look into Michael Greger's How not to die, or Colin Campbell China Study.

Vegan is not always healthy. Plant based, unprocessed food does the trick. Fatty and salty french fries are technically vegan. There is a lot of junk food on the vegan side, which is also highly processed and features lots of sugar. It is not enough to stop eating dead animals, drinking milk or eggs.

However dismissing meat is inevitable for a healthy diet.