I've moved into this home during the pandemic, and apparently it had a gas leak. I smelled it and called multiple times but nothing was found

They way in which i would small it would be once in a while not consistently I finally called again yesterday and they came last night from SoCal gas and discovered yes there's a small leak behind the stove.

I know it was a small leak but I have been smelling it for 3 years and literally like gaslighting myself no pun intended

I've been doing some reading about gas leaks within SoCal gas and how it's been a common thing recently around my neck of the woods and my concern is I've started to read about how gas is going to affect physical and mental health. I'm kind of shocked that this could have caused serious brain damage or affected my mental health which is already irratic.

Should I see a Dr? To make sure I'm ok?