In Nigeria, the growing adoption of mobile technology and digital lifestyles is having unexpected health consequences, with concerns that it may be contributing to the country’s already low life expectancy, currently around 55 years. While mobile tech has brought conveniences like instant communication, mobile banking, and remote work, it also encourages sedentary behaviors, sleep disruption, and increased stress—factors that negatively impact physical and mental health over time.
One of the key issues is the rise in screen time among all age groups. Extended use of smartphones and tablets contributes to a sedentary lifestyle, reducing physical activity, which is vital for cardiovascular health and weight management. Prolonged sitting has been linked to obesity, hypertension, diabetes, and other chronic diseases that are increasingly prevalent in Nigeria. Young people, in particular, spend long hours on social media, gaming, or streaming, often neglecting outdoor activity and exercise.
Sleep deprivation is another consequence of mobile tech usage. Blue light emitted by screens affects the body’s natural sleep-wake cycle (circadian rhythm), leading to poor sleep quality. Inadequate sleep is associated with weakened immunity, increased risk of stroke, heart disease, and mental health disorders such as depression and anxiety. Many Nigerians report sleeping fewer hours due to late-night phone usage, especially among urban youth.
Mental health challenges are also rising, partly driven by social media. Constant exposure to curated online lives can lead to feelings of inadequacy, cyberbullying, anxiety, and low self-esteem. The pressure to stay connected and relevant contributes to stress, while the lack of adequate mental health support in Nigeria makes it harder for individuals to cope.
Additionally, mobile tech dependence has led to a decline in in-person social interaction, weakening community bonds that traditionally provided emotional support and reduced loneliness. This social isolation can further worsen mental and emotional health.
In rural areas, the situation is compounded by limited access to healthcare, meaning early signs of tech-related health issues often go undiagnosed and untreated. In urban settings, despite better access to hospitals, awareness of the long-term effects of digital habits is still low.
Experts warn that unless there is a national strategy promoting digital wellness—encouraging screen-time limits, physical activity, and mental health education—the impact of mobile tech on health could become a major contributor to Nigeria’s low life expectancy. Promoting a balanced tech lifestyle is essential to reversing this trend.
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