Complex sentence: Due to the issues at work gays and lesbians get lower paychecks making it harder to plan for retirement and they are not able to get the same level of quality healthcare as those in higher positions.
Split into simpler sentences: Due to the issues at work gays and lesbians get smaller paychecks, which makes it harder to plan for retirement. They also are not able to get the same level of quality healthcare as those in higher positions.