Here are some polished title options:
Option 1 (health-focused and safer):
Seniors: 13 Ways Baking Soda May Support Everyday Health and Wellness
Option 2 (YouTube-style):
Seniors, Don’t Ignore Baking Soda: 13 Surprising Uses You Should Know
Option 3 (curiosity-driven):
What Happens When Seniors Use Baking Soda? 13 Things to Know
Option 4 (more responsible):
Baking Soda for Seniors: 13 Potential Uses, Benefits, and Safety Tips
Option 5 (attention-grabbing):
Seniors Are Trying This Baking Soda Trick — Here’s What You Need to Know
(For accuracy: baking soda may have some household and limited health-related uses, but claims that it can make “13 health problems disappear” are not supported as a general medical fact. A title that says “may support” or “things to know” is more trustworthy.)
