1770
Twenty two healthy men aged 21-66 yr (mean +/- SD 41.0 +/- 13.6) and nineteen healthy women aged 22-60 yr (38.9 +/- 13.9) have been studied.
 None
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: cell line, protein, RNA, DNA, cell type 
Text: {0} 
Answer:
 None