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Doing a PhD is so many things — exhausting, exhilarating, intense and gratifying. If you’re thinking about starting a PhD, or you’ve just begun and feel like you’re treading water, this post is for you.
I’m currently in the final stretch of my PhD at the University of Cambridge, working on a topic that’s both deeply personal and scientifically urgent: understanding how the immune system responds to HPV infections, especially in women living with HIV.
I grew up in Lagos, did my BSc in Microbiology in Akure and an MPhil in Pathology at the University of Cambridge. But I’ll be honest, nothing truly prepares you for the full reality of a PhD.
It’s a marathon, not a sprint. There are moments you feel unstoppable — when an experiment finally works or when you discover something new. And there are other moments when you sit there wondering if you’ve made any progress at all. The deadlines, the lab frustrations and the paper rejections come with the territory. But so do the small wins — your first presentation, your first published paper or the first time you successfully explain your research to someone!
You start seeing the impact of your work. You’re not just learning to be a researcher, you’re asking the difficult questions and finding the answers.
Here’s something I wish someone had told me at the beginning: never underestimate yourself.
Imposter syndrome is common in academia, regardless of how qualified or hardworking you are. I remember doubting whether I was smart enough to be at Cambridge, whether I’d chosen the right topic and feeling like I was falling behind. But over time, I’ve learned that self-doubt is a terrible judge of capability. If you're putting in the work, asking for help when needed and staying curious, you’re doing better than you think.
Doing a PhD for the title or because it sounds impressive isn’t enough. You need that inner motivation, that spark, whether it’s solving a health problem in your community, contributing to climate science or pushing the boundaries of neuroscience. That motivation is what keeps you going during the tough months when your experiments fail, when your manuscript gets rejected or when you're deep in revision hell.
One of the best things about a PhD is the community. I’ve made lifelong friends at Cambridge. I learned to ride a bike in my first year, and now cycling is a fun weekend hobby. I’ve had amazing lab dinners, karaoke nights and I’ve even organised an Oxbridge Nigerian funfair in London. I’ve presented at international conferences and mentored several students, both through my university and Research4Knowledge, the platform I co-founded.
Absolutely! A PhD stretches you. It teaches resilience, critical thinking and how to navigate uncertainty. But more than anything, it teaches you about yourself, your values, your purpose and your ability to make a difference.
If you’re thinking about a PhD, my advice is simple: know your ‘why’, believe in your potential and build a community that reminds you that you belong. The journey is tough, but the transformation is real.

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