Welcome!

You've received a great response above.

It is possible that stress and/or meds may have had an impact, lowering IQ. Assessments and tests are a snapshot in time; results may vary, and your IQ, if measured today, may be higher than the results you reference. Research studies may be of interest and several can be found summarized online.

A few links which may be of interest:
1) https://www.ncbi.nlm.nih.gov/pmc/articles/PMC4117081/
2) https://www.psychologytoday.com/us/blog/...my-iq-points-go
3) Hoagies Gifted Education Page, including why IQ test sores vary, and Level of Giftedness
4) video: Misdiagnosis and Dual Diagnoses
5) book: Misdiagnosis and Dual Diagnoses
6) Davidson Gifted Database, including https://www.davidsongifted.org/search-database/entry/a10226
7) wrightslaw, including https://www.wrightslaw.com/info/autism.index.htm
8) Understood.org, including https://www.understood.org/en/learning-t...issues-and-adhd

If you want to brush up on math skills, consider taking a look at Khan Academy.

When deciding whether to study Molecular Biology, you may want to make lists of tuition, housing, and other costs you're likely to incur, as well as possible uses of that degree for your future.
- college websites, and summaries of information including niche
- US Bureau of Labor Statistics(BLS)

Once you get started researching online, you will quickly filter information, finding what is of interest to you, and what is not.