Please choose the correct ending to complete the given sentence: Health: [header] How to overcome a fear of stairs [title] Install lighting. [step] Many falls on stairs occur as a result of poor visibility. Ensure that all steps in your home are well lit.

Ending1: An alternate route to protect your stairs from light is to install porch lighting. You could install lamps around the edge of the stairs, or you can put a small light near them. Ending2: [title] Use upstairs lighting to help you see. [step] This is similar to installing windows, but instead of relying on fluorescent lighting, which is used to control your view, you use lamps. Ending3: [substeps] Use lighting that makes stairwells visible and does not cause glare or create shadows. Make sure there is a light switch at the top and bottom of each staircase. Ending4: If possible, apply incandescent light to your downstairs steps to illuminate them while climbing the staircase, to reduce contrast between high and low stairs. [title] Adjust the layout of your stairs in order to do so.

Answer format: ending1/ending2/ending3/ending4