There are over 200 species of ticks globally, with hard ticks posing the greatest risk to humans. Ticks can live entirely indoors, making them difficult to treat. Several species of hard ticks feed on hosts for days to weeks, ingesting over 600 times their body weight. Females then lay thousands of eggs. A tick's lifecycle ranges from 3 months to 2 years. While treatments can reduce tick populations, complete eradication is impossible. The key is creating tick-free zones by clearing brush, mowing lawns, and using wood chips or gravel barriers between lawns and wooded areas. Treatments target the lawn-woodland edge and first 10 feet into grass and 20 feet into shrubs