Could Statins Help Older Adults Protect Their Heart and Brain?

Statins have been prescribed for years to help people control cholesterol and reduce their risk of serious cardiovascular problems. Now, new research highlighted in a recent report suggests that their potential benefits may extend further, particularly for older adults and people living with type 2 diabetes.

The findings have attracted attention because statins are inexpensive, widely available and already commonly used through the NHS. However, the research does not mean that everyone should automatically start taking a statin. Instead, it adds to the evidence doctors can consider when assessing an individual's risk of heart and circulatory disease.

What are statins?

Statins are medicines designed to reduce cholesterol levels in the blood. They are particularly effective at lowering LDL cholesterol, often referred to as "bad" cholesterol.

Cholesterol itself is not necessarily harmful. The body needs it for important functions, including producing certain hormones and vitamin D. The problem can arise when there is too much cholesterol circulating in the bloodstream. Excess cholesterol can contribute to the buildup of fatty deposits inside arteries, potentially restricting blood flow.

Over time, this process can increase the risk of conditions including coronary heart disease, heart attack and stroke.

According to the information provided in the source article, lower-dose statins can reduce LDL cholesterol by up to around 30 per cent, while higher doses can reduce it by more than 40 per cent.

Statins are therefore an important part of cardiovascular prevention for people whose doctors believe their potential benefits outweigh the risks.

New evidence involving people over 70

One of the most notable findings came from a trial involving older adults in Australia.

Researchers at Monash University compared approximately 5,000 people over the age of 70 who were taking statins with another group of around 5,000 who were not taking them. The study followed participants for six years.

According to the report, people taking statins were nearly one-third less likely to experience a major cardiovascular event, including a heart attack or stroke.

The finding is significant because statin treatment in older adults has sometimes been viewed differently from treatment in younger people. As people age, doctors need to consider a range of factors, including existing health conditions, other medicines and the individual's overall risk of cardiovascular disease.

The new evidence may encourage clinicians to take a closer look at whether some older people who were previously considered unlikely to benefit could gain from treatment.

Importantly, this does not mean that every person over 70 should take a statin. One of the experts quoted in the source stressed that the results should not lead to statins being prescribed automatically to everyone in this age group.

Instead, the research could provide stronger evidence for making individual treatment decisions.

A possible connection between statins and dementia

The research highlighted another interesting area: the possible relationship between statin use and dementia risk.

A separate study involving researchers from Copenhagen University Hospital examined 132,585 people with type 2 diabetes. The report states that people taking statins were around 10 to 15 per cent less likely to develop dementia.

Type 2 diabetes is already associated with an increased risk of several health complications, including cardiovascular disease. The possibility that cholesterol management could also be associated with a lower risk of dementia is therefore an area of considerable interest.

However, it is important to interpret this result carefully. A reduction in risk observed in a study does not necessarily prove that statins directly prevent dementia. Researchers must consider other factors that may influence health outcomes.

The findings are best viewed as evidence that warrants further investigation rather than as a guarantee that statins can prevent memory loss or dementia.

Why cholesterol matters as we get older

High cholesterol is common, and many people may not realise that their levels are elevated because high cholesterol usually does not cause obvious symptoms.

The source article estimates that around six in ten people in Britain have high cholesterol. This makes cholesterol testing and cardiovascular risk assessment particularly important.

As people age, the likelihood of developing cardiovascular problems can increase. At the same time, the population itself is getting older, making questions about healthy ageing increasingly important for healthcare systems.

Statins may form part of a broader approach to reducing cardiovascular risk. Lifestyle measures remain important and can include eating a balanced diet, maintaining a healthy weight, being physically active, avoiding smoking and following medical advice.

For people who already have cardiovascular disease, statins may also be prescribed to reduce the chance of future events such as heart attacks or strokes.

Who might be offered a statin?

The NHS information cited in the source says statins may be offered to people who have a higher risk of developing cardiovascular disease, particularly when lifestyle changes alone have not been sufficient or are unlikely to be sufficient.

They may also be recommended for people who already have cardiovascular disease.

Whether treatment is appropriate depends on the individual's circumstances. Doctors can consider cholesterol levels alongside other factors when assessing cardiovascular risk.

This is especially important for older adults, who may be taking several medicines at the same time.

Statins are not suitable for everyone

Although statins are commonly used, they can interact with other medicines and some foods or supplements.

The source information highlights possible interactions involving certain blood pressure medicines, antifungal drugs, some antibiotics, HIV medicines, warfarin, ciclosporin, colchicine and St John's wort.

Grapefruit and grapefruit juice can also increase the risk of side effects with some statins.

This is why people should tell their doctor or pharmacist about all medicines, supplements and herbal remedies they take before starting treatment or changing their medication.

Anyone already taking a statin should not stop treatment without discussing it with a healthcare professional.

What do the latest findings mean?

The emerging research could change the way some doctors think about cholesterol treatment in later life.

The Australian trial suggests that statins may offer meaningful cardiovascular protection among some people over 70, while the Danish research raises the possibility of a relationship between statin use and lower dementia risk among people with type 2 diabetes.

Together, these findings add to the growing discussion about how cardiovascular health and healthy ageing are connected.

Still, the research should not be interpreted as a reason for everyone to request statins. Medication decisions should be based on individual risk, medical history, existing conditions, other medicines and a discussion with a qualified healthcare professional.

For people who may benefit, however, the findings could provide reassurance that age alone should not necessarily mean that the potential benefits of cholesterol-lowering treatment are overlooked.

Sources

The Sun on 30 August 2026, which discussed research from Monash University and Copenhagen University Hospital.

Disclaimer

This article is for general informational purposes only and is not medical advice. Research findings can change as further evidence becomes available. The reported associations do not necessarily prove that statins directly prevent dementia or cardiovascular events in every individual. Do not start, stop or change prescribed medication based solely on this article. Speak with a doctor or pharmacist about your own cholesterol levels, cardiovascular risk, medicines and treatment options.