Are sausages more unhealthy than regular pork meat?

Depends on what you mean by "unhealthy." IMO, the current "low fat" and "fat is bad" thinking is itself unhealthy, and in addition, bad for pigs. read more

Pork tenderloin with the visible fat trimmed off is a very lean meat, and would be healthier than sausage which usually contains a mix of cuts of pork and higher fat content. Just watch the pork tenderloin to be sure it is not injected with a salt brine. read more

The other end are high, recognisable, meat content with some filler. Sausages need a few basics: Meat, moisture and an amount of filler. The moisture is needed and can be fat, wine or anything else. You do not want a dry sausage. The filler, often a cereal based rusk, stops the sausage becoming a burger in a skin. read more

Yes - and it's not difficult. You can turn a small piece of pork belly into bacon, with no nasty ingredients at all, within 10 days. River Cottage has a good recipe. Sausages require a little more effort - you will need a mincer, which you can pick up for around £25 from Lakeland. read more