Tuesday, March 10, 2015

Fighting the Fade: Brain Plasticity and the Quest to Stay Sharp

We all age. It's an unavoidable fact of life. Our physical and mental capacities decline, especially if we don't actively maintain them. While physical exercise can help reverse some of the effects of aging on the body, it's becoming increasingly clear that the same applies to our brains.

One of the most exciting medical discoveries in recent years is the concept of brain plasticity. Even in older adults, the brain retains a remarkable ability to change and adapt. This means that with the right kind of training, we can combat age-related cognitive decline and even improve our mental sharpness.

While daily aerobic exercise is crucial for boosting blood flow to the brain, mental activity plays a vital role as well. Lately, I've noticed it's becoming harder to remember things, perform simple calculations, or even visualize routes to familiar places. It's like a mental muscle ache.

This realization has spurred me to take action. I need to be more disciplined about mental exercise, just as I am with physical exercise. But what kind of mental workout is best?

Learning a new language is often touted as an excellent way to challenge the brain. It engages various cognitive functions, including memory, attention, and problem-solving. Other activities like puzzles, reading, and engaging in stimulating conversations can also contribute to mental fitness.

The key is to keep the brain active and challenged. Just as our bodies need regular physical activity to stay healthy, our brains need mental stimulation to stay sharp. So, whether it's learning a new language, tackling a crossword puzzle, or simply engaging in thoughtful discussions, let's commit to keeping our minds engaged and vibrant as we age.


Food for Thought: Our Complex Relationship with Animals and What We Choose to Eat

Would you eat your pet for dinner? I'm guessing most people would recoil at the thought. But why? This question is designed to challenge our assumptions about what we consider acceptable food.

Many people have pet rabbits, yet rabbit meat is commonly consumed around the world. The same goes for dogs and cats. While they're beloved companions in many cultures, they're also a source of food in others. So, what makes cows and pigs any different? They're often raised in close proximity to humans, providing milk, companionship, and even emotional support. Yet, we slaughter and consume them without a second thought.

Perhaps it's the emotional connection we have with certain animals that makes the difference. Or maybe it's simply cultural conditioning. Whatever the reason, our relationship with animals is complex and often contradictory.

It's easy to buy meat neatly packaged at the grocery store, detached from the reality of the animal it came from. But how many of us would be comfortable killing and butchering an animal ourselves? I suspect many meat-eaters would lose their appetite if confronted with this reality.

Next time you find yourself in a discussion with vegetarians or people from cultures where eating dogs, cats, or even horses is commonplace, try to approach the conversation with an open mind. Our food choices are often deeply ingrained and culturally influenced. What seems "normal" to us might be considered abhorrent to others, and vice versa.

The point isn't to judge or condemn anyone's dietary choices, but to encourage reflection and understanding. By challenging our assumptions and considering different perspectives, we can gain a deeper appreciation for the complexities of our relationship with animals and the food we consume.


Sunday, March 1, 2015

The #Hungergeddon Diet: How Wealth, Food Choices, and Climate Change Are on a Collision Course

The current trajectory of human behavior is leading us toward climate change. This has been a topic of debate for decades, but the majority of experts now agree: humans are the primary cause. Climate change has far-reaching consequences, impacting food production and availability.  

While the role of fossil fuels and technology in climate change is widely discussed, I want to focus on another crucial aspect: food. As the global population continues to grow and traditional energy sources dwindle, we're facing a potential "oil" crisis in the coming decades. However, an even more pressing concern looms on the horizon: a global food crisis.

We're already experiencing hunger and food insecurity in many parts of the world, but this is largely due to unequal distribution rather than an absolute lack of resources. However, with current agricultural practices and population growth projections, we could face a severe food shortage by 2040, when the population is estimated to reach 8 to 10 billion people.

Some might argue that as long as they belong to the wealthy elite, they'll be insulated from the effects of this crisis. They can afford to pay exorbitant prices for food, even if it means others go hungry. But this ignores the interconnectedness of our world. Widespread hunger leads to desperation, conflict, violence, disease, and mass migration, ultimately impacting everyone, even the privileged few.

This brings me to the central point: wealth and climate change are intertwined in a dangerous way. As societies become wealthier, their food preferences shift toward more resource-intensive options. For example, as incomes rise in developing countries, people tend to consume more beef, which requires significantly more land, water, and feed than pork or chicken.

According to an article in Smithsonian Magazine, producing a kilogram of beef requires ten times more resources than producing a kilogram of pork or chicken. In general, animal-based protein sources are far more resource-intensive than plant-based ones.  

Therefore, the wealthier we become, the more unsustainable our food choices become, pushing us closer to what I call "#Hungergeddon." To mitigate this impending crisis, it's essential that we, as global citizens, shift our diets away from resource-intensive foods like beef and toward more sustainable options like poultry, plant-based proteins, and locally sourced produce.

The choices we make today will determine the future of food security and the well-being of our planet. It's time to embrace a more conscious and sustainable approach to eating, not just for our own health, but for the survival of generations to come.