In the 1970s, a day at the beach was a snapshot of lean, active bodies—people of all ages enjoying the sun and surf with a natural sense of fitness. Fast forward to today, and the scene has changed dramatically. The prevalence of overweight and obese individuals is far more common, highlighting a stark contrast to the trim figures of the past. This shift raises important questions about the role the food industry has played in this transformation of our bodies and diets.

The 1970s: A Different Era of Eating

In the 70s, diets looked quite different. Home-cooked meals with fresh, whole ingredients were the norm. Processed foods existed but were far less common. Fast food chains were not as widespread, and eating out was typically reserved for special occasions rather than a regular habit. Portion sizes were modest, and sugary snacks weren’t as prominent in daily life.

People were also more physically active. With fewer digital distractions, both children and adults spent more time outdoors—walking, cycling, and engaging in sports were common activities. Staying active wasn’t just a trend; it was a part of daily life.

The Rise of Processed Foods

As the years passed, processed foods and fast food chains began to dominate the market. The food industry, driven by profitability, prioritized convenience and long shelf life over nutrition. Ingredients like high-fructose corn syrup, hydrogenated oils, and chemical additives became staples in many products, making food cheaper and more accessible—but also far less healthy.

Marketing campaigns, especially those aimed at children and busy families, promoted convenience foods high in sugar, salt, and unhealthy fats. Fast food ads promised quick, affordable meals, while snack companies created irresistibly addictive products. As a result, unhealthy eating habits became ingrained in our culture, leading to widespread changes in consumption patterns.

The Impact on Public Health

The consequences of these dietary shifts have been significant. Obesity rates have surged, leading to an increase in related health issues such as diabetes, heart disease, and certain cancers. According to the World Health Organization, global obesity rates have nearly tripled since 1975, and the number of overweight children and adolescents has increased tenfold during the same period.

Beyond altering what we eat, the food industry has distorted our perceptions of portion sizes and normal eating. Larger servings have become standard, while cooking skills have diminished as more people rely on pre-packaged meals and fast food for their daily sustenance.

Moving Towards a Healthier Future

Reversing this trend requires a collective effort. Public education campaigns can raise awareness about the dangers of processed foods and the benefits of healthier, balanced diets. Governments can regulate the marketing of unhealthy foods, especially to children, and promote better choices. Schools can contribute by offering nutritious meals and teaching kids about healthy eating habits.

On an individual level, we can shift back to preparing fresh, home-cooked meals, paying attention to portion sizes, and staying active. By embracing a lifestyle reminiscent of the 70s—where home-cooked meals and outdoor activities were the norm—we can work toward building a healthier society for future generations.