Add punctuation: At the end of the 1940s Dr Roy L Swank developed a diet for the treatment of multiple sclerosis which has helped many people
A: At the end of the 1940s, Dr. Roy L. Swank developed a diet for the treatment of multiple sclerosis which has helped many people.

Add punctuation: Innovision develops and manufactures medtech measuring equipment eg for university hospitals in Europe and the USA
A: Innovision develops and manufactures medtech measuring equipment e.g. for university hospitals in Europe and the USA.

Add punctuation: Japanese massage Japanese massage Asian
A:
Japanese massage, Japanese, massage, Asian