Browse our complete collection of questions and answers.
It is bacteria evolving, not people becoming resistant — a distinction that matters, because the common phrasing suggests your body stops responding to antibiotics, which is not what happens. The
Enforces consumer protection and product safety law against businesses — and the point that surprises most people is that it is not a service that resolves your individual complaint. It acts in the
Most prison sentences are served partly in custody and partly in the community, under licence — which is why someone sentenced to a number of years is released before that period ends, and why that
Lobbying is attempting to influence government decisions — and it is a normal, legitimate part of policy-making, since governments genuinely need information from those affected by their decisions.
An independent body that investigates complaints about organisations after their own complaints process has been exhausted — free to the complainant, less formal than a court, and able to consider
Through a registration and oversight regime requiring that an organisation exists for recognised charitable purposes and for the public benefit — and that second requirement is doing more work than
It makes the rights in the European Convention on Human Rights enforceable in UK courts — so you can raise them here rather than travelling to Strasbourg. It did not create the rights; it brought
Through a two-stage process — an internal review first, then an independent tribunal — and the striking fact is that a large proportion of appeals that reach a tribunal succeed, which tells you
A property tax based on the estimated capital value of a home on 1 April 1991 in England — a valuation date that has never been updated, so the entire system rests on what a property would have sold
Planning decisions are made by the local planning authority against a development plan, and objections only carry weight if they raise material planning considerations — which is why so many strongly
Powers to stop and search a person or vehicle in defined circumstances — and the key distinction is between searches requiring reasonable grounds for suspicion and the much rarer powers that do not.
No — transfer of bacteria to dropped food is effectively instantaneous — though the amount transferred does increase with contact time, which is the grain of truth the rule was built on. What matters
Because a recipe is a set of physical processes, not a list of proportions, and several of those processes do not scale linearly with quantity. Doubling the ingredients doubles the mass but does not
All are dilute acetic acid produced by fermenting alcohol, but they differ in the source of that alcohol, the production method, and how much residual flavour and sugar remains — which determines
Some, sometimes — and it increases the availability of others, which is the part usually left out. Whether cooking is a net loss or gain depends entirely on the nutrient and the method. What cooking
They mean precisely defined and rather different things, and several of the terms that sound most reassuring carry the least legal weight. The distinctions are worth knowing because the price
Mostly crystal size, plus whether any molasses remains — and crystal size matters far more in baking than people expect, because it determines how fast sugar dissolves and how much air it can trap.
An E number is simply a code indicating that an additive has been assessed and approved for use in the EU and UK. It is a mark of regulatory evaluation, not a warning — which is the opposite of how
Because of Bacillus cereus, a spore-forming bacterium whose spores survive cooking — so the danger is not in the cooking but in what happens between cooking and eating. The mechanism, which explains
A small number of organisms account for most cases, and they behave differently enough that the same precaution does not work for all of them — which is why general advice to "cook things properly"
The temperature at which an oil begins to break down visibly and produce smoke. It is a useful rough guide and a poor single measure of which oil to cook with, because it is neither fixed for a given
Because portion guidance is designed to be used without equipment by people who will never weigh anything — so it trades precision for the chance of actually being followed. That is a deliberate
Yes — it is among the best-evidenced legal performance aids available, with consistent effects across a wide range of activities. The effect is real, modest, and considerably better supported than
More than almost any other recoverable variable. Sleep restriction measurably degrades performance, adaptation, appetite regulation and injury risk simultaneously, and it is the recovery input people
They produce real but modest effects, mostly on how you feel, and almost none of them accelerate the underlying repair. That is not a reason to dismiss them — feeling better has value — but it is a
The proportion of a nutrient that is actually absorbed and available for use — as distinct from the amount present in the food. It is why the number on a label can substantially overstate what you
Because satiety is driven by several mechanisms that have little to do with calories — and foods engineered to be easy to overeat are engineered to defeat each one of them. What actually produces
Through several mechanisms at once — impaired protein synthesis, disrupted sleep, dehydration, and altered fuel handling — and the sleep effect alone is large enough to matter even at modest intakes.
Skeletal muscle contains fibres with different contractile and metabolic properties, conventionally grouped as type I (slow) and type II (fast). You can shift them substantially within the fast
They reliably reduce soreness and how you feel, and the evidence is much less flattering about whether they help you adapt — in fact, for strength and muscle growth, regular post-training cold
Every available method is an estimate built on assumptions, not a direct measurement — and knowing which assumption each one makes tells you when it will be wrong. The methods, roughly in order of
The age-related loss of muscle mass, strength and function — and the important correction is that meaningful decline starts far earlier than most people assume, and that strength is lost faster than
Prepare you for the specific work about to be done — raising tissue temperature, rehearsing the movement, and switching on the relevant muscles. Most of what people do instead is either generic or
It can — the phenomenon is called the interference effect — but the magnitude depends heavily on how much, what type, and how it is scheduled, and for most people training recreationally it is small
EPOC — excess post-exercise oxygen consumption — is the elevated metabolic rate that persists after exercise while the body restores itself. It is real, it is measurable, and the fat-loss claims
They adapt through collagen remodelling, which is a fundamentally slower process than muscle protein turnover — and this mismatch is the single most common reason enthusiastic training produces
Yes — but not in the way the phrase suggests. What the body needs is adequate recovery relative to the stress applied, which is not the same as a fixed number of blank days per week. Training
Yes — and it refers to two genuinely different phenomena that share a name, which is why discussions of it become confused. One is about movement skill; the other is about muscle size, and the second
Training at a low, sustainable intensity — roughly the top of the range where you can hold a conversation — for long durations. It has become fashionable recently, but it is not new: it is what
Overtraining syndrome is a prolonged, systemic decline in performance that does not resolve with ordinary rest — as distinct from the normal fatigue that a few easy days fix. The distinction is one
The intensity above which lactate appears in the blood faster than it can be cleared, so it accumulates. It is one of the best predictors of endurance performance — and almost everything people
A guaranteed, automated process that moves everything within a set number of working days — and despite being reliable and frequently paying a cash incentive, switching rates remain strikingly low,
A government-backed savings product that pays no interest at all. Instead, each £1 bond is entered into a monthly prize draw, and the return you receive is whatever you happen to win — which for most
Accounts are frozen, the estate is gathered and debts paid, and only then is anything distributed — a sequence that takes months and creates real practical difficulty for the people left behind. What
Investing a fixed amount at regular intervals rather than a single lump sum, so you buy more units when prices are low and fewer when they are high. It is genuinely useful — for reasons that are
More than the headline figure, because charges come in several layers that are disclosed separately — and the cumulative effect over decades is far larger than the annual percentages suggest. The
Differently from earnings, and differently from each other — with their own allowances and their own rates, which is why the tax on the same amount of money varies enormously depending on where it
Because a bond pays a fixed amount, so when newly issued bonds offer more, the only way an existing bond can compete is for its price to drop until the return a buyer gets matches what is available
A check of whether you could still afford the mortgage if interest rates were considerably higher than they are now — applied in addition to, and separately from, whether you can afford the payment
Loan-to-value is the size of the mortgage as a percentage of the property's value — and it is the single biggest determinant of the interest rate offered, because it determines how much the lender