15/07/2023
Here’s a simplified version of what the ten year human genome had to say about the lack of genes to do any action on their own.
imagine we have a big, complicated instruction manual for how to build a human. That’s what our DNA is - it’s our body’s instruction manual. The Genome Project is like a group of scientists trying to read and understand this manual.
Their 10-year study is like they spent a long time trying to figure out this instruction manual. What they found is that it’s even more complex than they thought. But they also learned a lot! They now understand more about how our body is built and works, how different pieces interact, and why sometimes things go wrong, like when people get sick.
In simple words, they got a lot smarter about how we are made, which can help them fix us when we break. They are still learning though, because the instruction manual is very, very complicated!
So, when it comes to genes, the study found that they’re like tiny recipe cards that tell our body how to make the stuff it needs. But, it’s not just about the genes we have - it’s also about when and where they’re used, and that’s where epigenetics comes in.
Think about it like this. You have a big box of Lego bricks (those are your genes). Just having the bricks isn’t enough to build something. You need instructions on how to put the bricks together, which bricks to use when, and where to put them.
Epigenetics is like that instruction manual for your Lego set. It’s a system that controls when and where your genes are used. The study found that this system can be affected by many things, like what we eat, how much we exercise, and even how much stress we have. So, our lifestyle and environment can actually change how our genes work, just like how playing with Lego differently can create different things.
Genes don’t just turn on and off by themselves. They’re influenced by various factors around them, including their immediate molecular environment inside the cell, and signals coming from the body or even from outside the body.
Think of genes like a light bulb. The bulb (the gene) is capable of giving light, but it won’t do so until someone flips the switch (the environmental signal). This could be anything from chemicals in the body, to something we eat or drink, to exercise, stress, and more. This ‘switch-flipping’ process is what we mean when we talk about epigenetics.
our mind certainly plays a role in both influencing and being influenced by our environment. For instance, our thoughts, feelings, and behaviors can shape our social and physical environments. On the other hand, these environments also impact our mental state, perceptions, and attitudes.
Neural networks in our brain are also subject to preconditioning. In simple terms, experiences can shape the connections between neurons in our brain, essentially ‘training’ them to respond in certain ways. This is how we form habits, memories, and learned behaviors. This process can be influenced by our environment too, and it’s one of the key ways our brain adapts to changes in our surroundings.
The mind, through the decisions it makes that lead to certain behaviors, can indirectly influence the epigenetic modifications of genes.
For example, if your mind decides to maintain a healthy lifestyle, such as eating a balanced diet, exercising regularly, or managing stress through techniques like meditation, these choices can impact the way certain genes are expressed or suppressed.
But remember, while the mind can make decisions that indirectly affect gene expression through behavior and lifestyle choices, this process is complex and also involves many other biological factors. It’s a bit like a dance, with both the mind and body constantly interacting and influencing each other.
The placebo effect is a fascinating phenomenon where people experience real improvements in their health even though they’ve only received a fake treatment, like a sugar pill. It’s essentially our mind’s influence on our body. This happens because our brain expects the treatment to work and so, in some cases, it makes it work.
Now, every person is unique, with their own beliefs, expectations, and experiences. For example, one person might fully trust their doctor and believe strongly that a treatment will work, which could make the placebo effect stronger for them. Another person might be more skeptical, so the placebo effect might be weaker.
It’s also about how each person’s brain and body respond to these expectations. Like we talked about before with genes, people are different in all kinds of ways, including how their bodies respond to their brain’s signals. So the same placebo might have different effects in different people.
So, in summary, the placebo effect can differ between individuals because each of us is unique in our beliefs, expectations, experiences, and how our body responds to our brain’s signals.
