XLV ETF is one of the most popular options for gaining exposure to the U.S. health care sector, and as such might be an attractive option for investors looking to tilt exposure towards lower risk industries. XLV is among the cheapest ways to gain access to health care companies, and offers impressive depth of holdings as well. XLV can be a good option for a sector rotation strategy or as a means of establishing a long term tilt towards the health care sector.